Titanium and titanium alloys — Bar, rod and billet — Technical delivery conditions

Titane et alliages de titane — Barre, tige et billette — Conditions techniques de livraison

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ISO/DISFDIS 7217:2022(E)
Date: 2022-07-1512-09
ISO TC 79/SC 11/WG 5
Secretariat: JISC

Titanium and titanium alloys — Bar, rod and billet — Technical delivery conditions

DIS stage
---------------------- Page: 1 ----------------------
ISO/DIS FDIS 7217:2022(E)
© ISO 2022

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no

part of this publication may be reproduced or utilized otherwise in any form or by any means,

electronic or mechanical, including photocopying, or posting on the internet or an intranet, without

prior written permission. Permission can be requested from either ISO at the address below or

ISO’s member body in the country of the requester.
ISO Copyright Office
CP 401 • CH-1214 Vernier, Geneva
Phone: + 41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland.
ii © ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/DIS FDIS 7217:2022(E)
Contents

Foreword ............................................................................................................................................................ vi

Introduction .................................................................................................................................................... vii

1 Scope ....................................................................................................................................................... 1

2 Normative references ....................................................................................................................... 1

3 Terms and definitions ....................................................................................................................... 2

4 Information to be supplied by the purchaser ............................................................................ 2

4.1 General information .......................................................................................................................... 2

4.2 Options ................................................................................................................................................... 3

5 Manufacturing ..................................................................................................................................... 3

6 Requirements ...................................................................................................................................... 3

6.1 General ................................................................................................................................................... 3

6.2 Chemical composition ....................................................................................................................... 3

Table 1 — Chemical composition .............................................................................. 1

6.3 Tensile properties .............................................................................................................................. 5

Table 2 — Tensile properties at room temperature........................................... 5

6.4 Dimensional tolerance ...................................................................................................................... 6

6.4.1 General ................................................................................................................................................... 6

6.4.2 Tolerance of diameter and width across flats ........................................................................... 7

Table 3 — Permissible variation in diameter and width across flats for rounds and squares

.................................................................................................................................................................. 7

Table 4 — Permissible variation in width across flats for hexagons and octagons .................... 7

6.4.3 Tolerance of diameter for rounds with under 8 mm in diameter ...................................... 7

Table 5 — Permissible variation in diameter for bar and rod with the shape of cross-section

in rounds under 8 mm in diameter ............................................................................................... 8

6.4.4 Tolerance of width and thickness ................................................................................................. 8

Table 6 — Permissible variation in thickness and width for rectangles (for over 8 mm in

width and thickness) ......................................................................................................................... 8

6.4.5 Tolerance of length ............................................................................................................................ 8

Table 7 — Permissible variation in length ............................................................................................... 8

6.4.6 Straightness .......................................................................................................................................... 9

6.5 Surface conditions, imperfections and defects ......................................................................... 9

6.5.1 Non-destructive inspection ............................................................................................................. 9

7 Inspection .......................................................................................................................................... 10

7.1 Types of inspection and inspection documents ..................................................................... 10

7.1.1 General ................................................................................................................................................ 10

7.1.2 Inspection documents .................................................................................................................... 10

7.2 Specific Inspection .......................................................................................................................... 10

7.2.1 General ................................................................................................................................................ 10

7.2.2 Samples and test pieces for chemical composition and mechanical testing for

product analysis ............................................................................................................................... 10

© ISO 2022 – All rights reserved iii
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ISO/DIS FDIS 7217:2022(E)

8 Rounding-off procedure ................................................................................................................ 11

9 Reference test and analysis .......................................................................................................... 11

10 Rejection ............................................................................................................................................. 12

11 Marking ............................................................................................................................................... 12

11.1 General ................................................................................................................................................ 12

11.2 Products Marking ............................................................................................................................ 12

12 Packaging ........................................................................................................................................... 12

13 Certification ....................................................................................................................................... 12

Bibliography .................................................................................................................................................... 14

Contents ............................................................................................................................................................. iii

Foreword ........................................................................................................................................................... vi

Introduction .................................................................................................................................................... vii

1 Scope ....................................................................................................................................................... 1

2 Normative references ........................................................................................................................ 1

3 Terms and definitions ....................................................................................................................... 2

4 Information to be supplied by the purchaser ............................................................................ 2

4.1 General information .......................................................................................................................... 2

4.2 Options ................................................................................................................................................... 3

5 Manufacturing ..................................................................................................................................... 3

6 Requirements ...................................................................................................................................... 3

6.1 General ................................................................................................................................................... 3

6.2 Chemical composition ....................................................................................................................... 3

Table 1 — Chemical composition ................................................................................................................ 2

6.3 Tensile properties .............................................................................................................................. 5

Table 2 — Tensile properties at room temperature ............................................................................. 5

6.4 Dimensional tolerance ...................................................................................................................... 6

6.4.1 General ................................................................................................................................................... 6

6.4.2 Tolerance of diameter and width across flats ........................................................................... 7

Table 3 — Permissible variation in diameter and width across flats for rounds and squares

.................................................................................................................................................................. 7

Table 4 — Permissible variation in width across flats for hexagons and octagons .................... 7

6.4.3 Tolerance of diameter for rounds with under 8 mm in diameter ....................................... 7

Table 5 — Permissible variation in diameter for bar and rod with the shape of cross-section

in rounds under 8 mm in diameter ............................................................................................... 8

6.4.4 Tolerance of width and thickness ................................................................................................. 8

Table 6 — Permissible variation in thickness and width for rectangles (for over 8 mm in

width and thickness) ......................................................................................................................... 8

6.4.5 Tolerance of length ............................................................................................................................ 8

Table 7 — Permissible variation in length ............................................................................................... 8

6.4.6 Straightness .......................................................................................................................................... 9

6.5 Surface conditions, imperfections and defects ......................................................................... 9

6.5.1 Non-destructive inspection ............................................................................................................. 9

iv © ISO 2022 – All rights reserved
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ISO/DIS FDIS 7217:2022(E)

7 Inspection .......................................................................................................................................... 10

7.1 Types of inspection and inspection documents ..................................................................... 10

7.2 Specific inspection .......................................................................................................................... 10

7.2.1 General ................................................................................................................................................ 10

7.2.2 Samples and test pieces for chemical composition and mechanical testing for

product analysis ............................................................................................................................... 10

8 Rounding-off procedure ................................................................................................................ 11

9 Reference test and analysis .......................................................................................................... 11

10 Rejection ............................................................................................................................................. 12

11 Marking ............................................................................................................................................... 12

11.1 General ................................................................................................................................................ 12

11.2 Products marking ............................................................................................................................ 12

12 Packaging ........................................................................................................................................... 12

13 Mill product certificate .................................................................................................................. 12

14 Certification ....................................................................................................................................... 13

Bibliography ................................................................................................................................................... 14

© ISO 2022 – All rights reserved v
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ISO/DIS FDIS 7217:2022(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO

collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directiveswww.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any

patent rights identified during the development of the document will be in the Introduction and/or on

the ISO list of patent declarations received (see www.iso.org/patentswww.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO’s adherence to the World

Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.htmlwww.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 79, Light metals and their alloys,

Subcommittee SC 11, Titanium.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
vi © ISO 2022 – All rights reserved
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ISO/DIS FDIS 7217:2022(E)
Introduction

This document was developed in response to worldwide demand for stabilizing the quality assurance for

titanium and titanium alloys by common regulations worldwide.

Determining condition concerning the technical delivery conditions for bar, rod and billet of titanium and

titanium alloys, such as chemical composition, mechanical properties and dimensional tolerance is

extremely important to promote commerce of titanium and titanium alloys products in the global market.

The International Organization for Standardization (ISO) draws attention to the fact that it is claimed that

compliance with this document may involve the use of patents concerning titanium alloys given in Table 1

and Table 2.

ISO takes no position concerning the evidence, validity and scope of this patent right.

The holder of this patent right has assured ISO that he/she is willing to negotiate licences under

reasonable and non-discriminatory terms and conditions with applicants throughout the world. In this

respect, the statement of the holder of this patent right is registered with ISO. Information may be

obtained from the patent database available at www.iso.org/patents. www.iso.org/patents.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights other than those in the patent database. ISO shall not be held responsible for identifying any

or all such patent rights.
© ISO 2022 – All rights reserved vii
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DRAFT INTERNATIONAL STANDARD ISO/DIS 7217:2022(E)
Titanium and titanium alloys — Bar, rod and billet — Technical
delivery conditions
1 Scope

This document specifies requirements for the manufacture and technical delivery conditions of bar, rod

and billet made from titanium and titanium alloys.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 377, Steel and steel products — Location and preparation of sample sandsamples and test pieces for

mechanical testing

ISO 6892--1:20162019, Metallic materials — Tensile testing — Part 1: Method of test at ambient

temperature

ISO 9712, Non-destructive testing — Qualification and certification of NDT personnel

ISO 10474:2013, Steel and steel products — Inspection documents

ISO 11484, Steel products — Employer’sEmployer's qualification system for non-destructive testing (NDT)

personnel

ISO 28401, Light metals and their alloys — Titanium and titanium alloys — Classification and terminology

ASTM E8/E8M, Standard Test Methods for Tension Testing of Metallic Materials

ASTM E29, Practice for Using Significant Digits in test Data to Determine Conformance with Specifications

ASTM E539, Standard Test Method for Analysis of Titanium Alloys by Wavelength Dispersive X-Ray

Fluorescence Spectrometry

ASTM E1409, Test method for determination of oxygen and nitrogen in titanium and titanium alloys by the

inert gas fusion technique

ASTM E1447, Test method for determination of hydrogen in titanium and titanium alloys by the inert gas

fusion thermal conductivity/ Infrared detection method

ASTM E1941, Standard Test method for determination of Carbon in Refractory and Reactive Metals and

Their Alloys by Combustion Analysis
© ISO 2022 – All rights reserved 1
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ISO/DIS FDIS 7217:2022(E)

ASTM E2371, Standard Test method for Analysis of Titanium and Titanium alloys by Direct Current Plasma

and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology)

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 28401 and the following apply.

ISO and IEC maintain terminology databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https://www.iso.org/obp
Field Code Changed
— IEC Electropedia: available at https://www.electropedia.org/
3.1
bar
rod

solid wrought product of uniform cross-section equal to or under 10 000 mm along its whole length,

supplied in straight lengths
Note 1 to entry: The cross-section is equal to or under 10 000 mm square.

Note 2 to entry: The cross-section is in the shape of rounds, squares, rectangles or regular polygons like hexagons

and octagons.

Note3Note 2 to entry: Products with a square, rectangular or polygonal cross-section may have corners rounded

along their whole length.
3.2
billet

solid wrought product of uniform cross-section above 10 000 mm along its whole length, supplied in

straight lengths
Note 1 to entry: The cross-section is above 10 000 mm square.

Note 2 to entry: The cross-section is in the shape of rounds, squares, rectangles or regular polygons like hexagons

and octagons.

Note 32 to entry: Products with a square, rectangular or polygonal cross-section may have corners rounded along

their whole length.
4 Information to be supplied by the purchaser
4.1 General information
The purchase order shall include the following information:
a) quantity (e.g. total mass or total length);
b) designation;
c) dimensions;
d) packaging;
2 © ISO 2022 – All rights reserved
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ISO/DIS FDIS 7217:2022(E)
e) inspection;
f) mill product certificate;

g) certification. (document issued and/or validated by an independent third party that assures that a

product meets specified requirements such as a purchase order).
4.2 Options

A number of options are specified in this document and listed below. In the event that the purchaser does

not indicate a wish to implement any of these options at the time of enquiry and order, the bar, rod or

billet shall be supplied in accordance with the basic specification.
a) restrictive chemistry (see 6.2);
b) product analysis (see 6.2);
c) special mechanical properties (see 6.3);
d) special tolerance (see 6.4);
e) method of manufacture and finish (see Clause 5 and 6.65).
5 Manufacturing

The bar, rod and billet shall be manufactured by hot-working such as hot-rolling, hot-forging, hot-

extrusion of ingot or intermediate product followed by appropriate cold-working, if necessary, as well as

surface conditioning and heat treatment. The bar, rod and billet shall be supplied as solid wrought

product in straight shapes with uniform cross-section along their whole length.
6 Requirements
6.1 General

When supplied in the delivery condition indicated in 4.1 and inspected in accordance with Clause 7, the

bar, rod and billet shall conform to the requirements of this document.
6.2 Chemical composition

The bar, rod and billet of titanium and titanium alloys shall conform to the chemical requirements

prescribed in Table 1.

The elements listed in Table 1 are either intentional alloy additions or elements that are inherent to the

manufacture of titanium sponge, ingot, or mill product.

The content of any element intentionally added to the formulation of the heat shall be reported.

Other elements are those not specified in the relevant designated material such as Cr and Mo of Ti1-

0,18Pd and those not originally specified in the Table 1 such as Co and Hf. Generally, other elements

include aluminium, vanadium, tin, molybdenum, chromium, manganese, zirconium, nickel, copper,

silicon, cobalt, tungsten, hafnium and yttrium except for alloying elements contained in the designation.

The element which is taken as the other element shall be subjected to the agreement between the

manufacturer and the purchaser, and shall be noted in the purchase order.
© ISO 2022 – All rights reserved 3
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ISO/DIS FDIS 7217:2022(E)

Other elements should not be reported unless the content is greater than 0,1 % for each, or 0,4 % for

total. The content of yttrium should not be reported unless the content is greater than 0,005 % for each.

When agreed upon between the manufacturer and the purchaser and specified in the purchase order,

other specific residual elements not listed in Table 1 may be added and their content shall be reported.

The chemical analysis shall be conducted by the standard techniques normally used by the manufacturer

and the purchaser. In case of disagreement, the test methods defined in ASTM E2371 or ASTM E539 shall

be used as the referee method except for carbon, oxygen and hydrogen, which are not covered in these

standards. Test methods defined in ISO 22960, ISO 22961 or ISO 22962 may be used as the referee

method for iron instead of ASTM E2371/ or ASTM E539. The test method defined in ASTM E1409 shall

be used as a referee method for oxygen and nitrogen, and ISO 22963 may be used as a referee method

for oxygen. The test method defined in ASTM E1447 shall be used as a referee method for hydrogen and

the test method defined in ASTM E1941 shall be used as a referee method for carbon.

4 © ISO 2022 – All rights reserved
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FINAL DRAFT INTERNATIONAL STANDARD ISO/DIS FDIS 7217:2022(E)
Table 1 — Chemical composition

The document containing technical information on a new alloy proposed for addition is provided in a

machine-readable file at: https://standards.iso.org/iso/7217/ed-1/en.
© ISO 2022 – All rights reserved 1
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ISO/FDIS 7217:2022(E)
Table 1 — Chemical composition
Chemical composition in % mass fraction
Other
elements
C O N Fe
Designation H max Al V Pd Ru Ni Mo Cr Co Sn
max
max max max max
single total
Ti1 0,08 0,18 0,03 0,015 0,20 0,1 0,4
Ti1H 0,08 0,18 0,03 0,015 0,20 0,1 0,4
Ti2L 0,08 0,20 0,03 0,015 0,25 0,1 0,4
Ti2 0,08 0,25 0,03 0,015 0,30 0,1 0,4
Ti3 0,08 0,35 0,05 0,015 0,30 0,1 0,4
Ti3H 0,08 0,35 0,05 0,015 0,30 0,1 0,4
Ti4 0,08 0,40 0,05 0,015 0,50 0,1 0,4
0,12-
Ti1-0,18Pd 0,08 0,18 0,03 0,015 0,20 0,1 0,4
0,25
Ti1H- 0,12-
0,08 0,18 0,03 0,013 0,20 0,1 0,4
0,18Pd 0,25
Ti2L- 0,12-
0,08 0,20 0,03 0,015 0,25 0,1 0,4
0,18Pd 0,25
0,12-
Ti2-0,18Pd 0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,25
Ti3H- 0,12-
0,08 0,35 0,05 0,015 0,30 0,1 0,4
0,018Pd 0,25
0,04-
Ti1-0,06Pd 0,08 0,18 0,03 0,015 0,20 0,1 0,4
0,08
© ISO 2022 – All rights reserved 2
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ISO/FDIS 7217:2022(E)
Ti1H- 0,04-
0,08 0,18 0,03 0,013 0,20 0,1 0,4
0,06Pd 0,08
Ti2L- 0,04-
0,08 0,20 0,03 0,015 0,25 0,1 0,4
0,06Pd 0,08
0,04-
Ti2-0,06Pd 0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,08
Ti2-0,75Ni- 0,6- 0,2-
0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,3Mo 0,9 0,4
Ti1L-0,5Ni- 0,04- 0,4-
0,08 0,10 0,03 0,015 0,20 0,1 0,4
0,05Ru 0,06 0,6
Ti2L-0,5Ni- 0,04- 0,4-
0,08 0,15 0,03 0,015 0,30 0,1 0,4
0,05Ru 0,06 0,6
Ti2-0,5Ni- 0,04- 0,4-
0,08 0,25 0,05 0,015 0,30 0,1 0,4
0,05Ru 0,06 0,6
Ti2-0,5Co- 0,04- 0,2-
0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,06Pd 0,08 0,8
Ti3-0,5Co- 0,04- 0,2-
0,08 0,35 0,05 0,015 0,30 0,1 0,4
0,06Pd 0,08 0,8
Ti2-0,45Ni-
0,15Cr- 0,01- 0,02- 0,35- 0,1-
0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,03Ru- 0,02 0,04 0,55 0,2
0,015Pd
Ti3-0,45Ni-
0,15Cr- 0,01- 0,02- 0,35- 0,1-
0,08 0,35 0,05 0,015 0,30 0,1 0,4
0,03Ru- 0,02 0,04 0,55 0,2
0,015Pd
Ti-5Al- 4,0- 2,0-
0,08 0,20 0,03 0,015 0,50 0,1 0,4
2,5Sn 6,0 3,0
© ISO 2022 – All rights reserved 3
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ISO/FDIS 7217:2022(E)
1,0-
Ti-1,5Al 0,08 0,25 0,03 0,015 0,30 0,1 0,4
2,0
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 7217
ISO/TC 79/SC 11
Titanium and titanium alloys — Bar,
Secretariat: JISC
rod and billet — Technical delivery
Voting begins on:
2022-12-23 conditions
Voting terminates on:
Titane et alliages de titane — Barre, tige et billette — Conditions
2023-02-17
techniques de livraison
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 7217:2022(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2022
---------------------- Page: 1 ----------------------
ISO/FDIS 7217:2022(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 7217
ISO/TC 79/SC 11
Titanium and titanium alloys — Bar,
Secretariat: JISC
rod and billet — Technical delivery
Voting begins on:
conditions
Voting terminates on:
Titane et alliages de titane — Barre, tige et billette — Conditions
techniques de livraison
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on

the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below

or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/FDIS 7217:2022(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
© ISO 2022 – All rights reserved
NATIONAL REGULATIONS. © ISO 2022
---------------------- Page: 2 ----------------------
ISO/FDIS 7217:2022(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction .................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 Information to be supplied by the purchaser ....................................................................................................................... 2

4.1 General information........................................................................................................................................................................... 2

4.2 Options........................................................................................................................................................................................................... 2

5 Manufacturing ........................................................................................................................................................................................................ 3

6 Requirements .......................................................................................................................................................................................................... 3

6.1 General ........................................................................................................................................................................................................... 3

6.2 Chemical composition ...................................................................................................................................................................... 3

6.3 Tensile properties ................................................................................................................................................................................ 6

6.4 Dimensional tolerance ..................................................................................................................................................................... 8

6.4.1 General ........................................................................................................................................................................................ 8

6.4.2 Tolerance of diameter and width across flats .......................................................................................... 8

6.4.3 Tolerance of diameter for rounds with under 8 mm in diameter ........................................... 9

6.4.4 Tolerance of width and thickness ........................................................................................................................ 9

6.4.5 Tolerance of length ........................................................................................................................................................... 9

6.4.6 Straightness ......................................................................................................................................................................... 10

6.5 Surface conditions, imperfections and defects ....................................................................................................... 10

6.5.1 Non­destructive inspection ................................................................................................................................... 10

7 Inspection .................................................................................................................................................................................................................11

7.1 Types of inspection and inspection documents ..................................................................................................... 11

7.2 Specific inspection ........................................................................................................................................................................... 11

7.2.1 General ..................................................................................................................................................................................... 11

7.2.2 Samples and test pieces for chemical composition and mechanical testing

for product analysis ...................................................................................................................................................... 11

8 Rounding-off procedure............................................................................................................................................................................12

9 Reference test and analysis ...................................................................................................................................................................12

10 Rejection ....................................................................................................................................................................................................................12

11 Marking ........................................................................................................................................... ............................................................................12

11.1 General ........................................................................................................................................................................................................12

11.2 Products marking ............................................................................................................................................................................. 13

12 Packaging..................................................................................................................................................................................................................13

13 Mill product certificate ..............................................................................................................................................................................13

14 Certification ...........................................................................................................................................................................................................13

Bibliography .............................................................................................................................................................................................................................14

iii
© ISO 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/FDIS 7217:2022(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non­governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO’s adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 79, Light metals and their alloys,

Subcommittee SC 11, Titanium.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2022 – All rights reserved
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ISO/FDIS 7217:2022(E)
Introduction

This document was developed in response to worldwide demand for stabilizing the quality assurance

for titanium and titanium alloys by common regulations worldwide.

Determining condition concerning the technical delivery conditions for bar, rod and billet of titanium

and titanium alloys, such as chemical composition, mechanical properties and dimensional tolerance

is extremely important to promote commerce of titanium and titanium alloys products in the global

market.

The International Organization for Standardization (ISO) draws attention to the fact that it is claimed

that compliance with this document may involve the use of patents concerning titanium alloys given in

Table 1 and Table 2.

ISO takes no position concerning the evidence, validity and scope of this patent right.

The holder of this patent right has assured ISO that he/she is willing to negotiate licences under

reasonable and non-discriminatory terms and conditions with applicants throughout the world. In

this respect, the statement of the holder of this patent right is registered with ISO. Information may be

obtained from the patent database available at www.iso.org/patents.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights other than those in the patent database. ISO shall not be held responsible for identifying

any or all such patent rights.
© ISO 2022 – All rights reserved
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FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 7217:2022(E)
Titanium and titanium alloys — Bar, rod and billet —
Technical delivery conditions
1 Scope

This document specifies requirements for the manufacture and technical delivery conditions of bar, rod

and billet made from titanium and titanium alloys.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 377, Steel and steel products — Location and preparation of samples and test pieces for mechanical

testing

ISO 6892­1:2019, Metallic materials — Tensile testing — Part 1: Method of test at ambient temperature

ISO 10474:2013, Steel and steel products — Inspection documents

ISO 11484, Steel products — Employer's qualification system for non-destructive testing (NDT) personnel

ISO 28401, Light metals and their alloys — Titanium and titanium alloys — Classification and terminology

ASTM E8/E8M, Standard Test Methods for Tension Testing of Metallic Materials

ASTM E29, Practice for Using Significant Digits in test Data to Determine Conformance with Specifications

ASTM E539, Standard Test Method for Analysis of Titanium Alloys by Wavelength Dispersive X-Ray

Fluorescence Spectrometry

ASTM E1409, Test method for determination of oxygen and nitrogen in titanium and titanium alloys by the

inert gas fusion technique

ASTM E1447, Test method for determination of hydrogen in titanium and titanium alloys by the inert gas

fusion thermal conductivity/ Infrared detection method

ASTM E1941, Standard Test method for determination of Carbon in Refractory and Reactive Metals and

Their Alloys by Combustion Analysis

ASTM E2371, Standard Test method for Analysis of Titanium and Titanium alloys by Direct Current Plasma

and Inductively Coupled Plasma Atomic Emission Spectrometry (Performance-Based Test Methodology)

3 Terms and definitions

For the purposes of this document, the terms and definitions given in ISO 28401 and the following apply.

ISO and IEC maintain terminology databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
© ISO 2022 – All rights reserved
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ISO/FDIS 7217:2022(E)
3.1
bar
rod

solid wrought product of uniform cross-section equal to or under 10 000 mm along its whole length,

supplied in straight lengths

Note 1 to entry: The cross-section is in the shape of rounds, squares, rectangles or regular polygons like hexagons

and octagons.

Note 2 to entry: Products with a square, rectangular or polygonal cross-section may have corners rounded along

their whole length.
3.2
billet

solid wrought product of uniform cross­section above 10 000 mm along its whole length, supplied in

straight lengths

Note 1 to entry: The cross-section is in the shape of rounds, squares, rectangles or regular polygons like hexagons

and octagons.

Note 2 to entry: Products with a square, rectangular or polygonal cross-section may have corners rounded along

their whole length.
4 Information to be supplied by the purchaser
4.1 General information
The purchase order shall include the following information:
a) quantity (e.g. total mass or total length);
b) designation;
c) dimensions;
d) packaging;
e) inspection;
f) mill product certificate;

g) certification (document issued and/or validated by an independent third party that assures that a

product meets specified requirements such as a purchase order).
4.2 Options

A number of options are specified in this document and listed below. In the event that the purchaser

does not indicate a wish to implement any of these options at the time of enquiry and order, the bar, rod

or billet shall be supplied in accordance with the basic specification.
a) restrictive chemistry (see 6.2);
b) product analysis (see 6.2);
c) special mechanical properties (see 6.3);
d) special tolerance (see 6.4);
e) method of manufacture and finish (see Clause 5 and 6.5).
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ISO/FDIS 7217:2022(E)
5 Manufacturing

The bar, rod and billet shall be manufactured by hot-working such as hot-rolling, hot-forging, hot-

extrusion of ingot or intermediate product followed by appropriate cold-working, if necessary, as well

as surface conditioning and heat treatment. The bar, rod and billet shall be supplied as solid wrought

product in straight shapes with uniform cross­section along their whole length.
6 Requirements
6.1 General

When supplied in the delivery condition indicated in 4.1 and inspected in accordance with Clause 7, the

bar, rod and billet shall conform to the requirements of this document.
6.2 Chemical composition

The bar, rod and billet of titanium and titanium alloys shall conform to the chemical requirements

prescribed in Table 1.

The elements listed in Table 1 are either intentional alloy additions or elements that are inherent to the

manufacture of titanium sponge, ingot, or mill product.

The content of any element intentionally added to the formulation of the heat shall be reported.

Other elements are those not specified in the relevant designated material such as Cr and Mo of Ti1-

0,18Pd and those not originally specified in the Table 1 such as Co and Hf. Generally, other elements

include aluminium, vanadium, tin, molybdenum, chromium, manganese, zirconium, nickel, copper,

silicon, cobalt, tungsten, hafnium and yttrium except for alloying elements contained in the designation.

The element which is taken as the other element shall be subjected to the agreement between the

manufacturer and the purchaser, and shall be noted in the purchase order.

Other elements should not be reported unless the content is greater than 0,1 % for each, or 0,4 % for

total. The content of yttrium should not be reported unless the content is greater than 0,005 % for each.

When agreed upon between the manufacturer and the purchaser and specified in the purchase order,

other specific residual elements not listed in Table 1 may be added and their content shall be reported.

The chemical analysis shall be conducted by the standard techniques normally used by the manufacturer

and the purchaser. In case of disagreement, the test methods defined in ASTM E2371 or ASTM E539

shall be used as the referee method except for carbon, oxygen and hydrogen, which are not covered in

these standards. Test methods defined in ISO 22960, ISO 22961 or ISO 22962 may be used as the referee

method for iron instead of ASTM E2371 or ASTM E539. The test method defined in ASTM E1409 shall

be used as a referee method for oxygen and nitrogen, and ISO 22963 may be used as a referee method

for oxygen. The test method defined in ASTM E1447 shall be used as a referee method for hydrogen and

the test method defined in ASTM E1941 shall be used as a referee method for carbon.

The document containing technical information on a new alloy proposed for addition is provided in a

machine-readable file at: https:// standards .iso .org/ iso/ 7217/ ed ­1/ en .
© ISO 2022 – All rights reserved
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ISO/FDIS 7217:2022(E)
© ISO 2022 – All rights reserved
Table 1 — Chemical composition
Chemical composition in % mass fraction
Other elements
max
Designation C max O max N max H max Fe max Al V Pd Ru Ni Mo Cr Co Sn
single total
Ti1 0,08 0,18 0,03 0,015 0,20 0,1 0,4
Ti1H 0,08 0,18 0,03 0,015 0,20 0,1 0,4
Ti2L 0,08 0,20 0,03 0,015 0,25 0,1 0,4
Ti2 0,08 0,25 0,03 0,015 0,30 0,1 0,4
Ti3 0,08 0,35 0,05 0,015 0,30 0,1 0,4
Ti3H 0,08 0,35 0,05 0,015 0,30 0,1 0,4
Ti4 0,08 0,40 0,05 0,015 0,50 0,1 0,4
0,12­
Ti1-0,18Pd 0,08 0,18 0,03 0,015 0,20 0,1 0,4
0,25
0,12­
Ti1H-0,18Pd 0,08 0,18 0,03 0,013 0,20 0,1 0,4
0,25
0,12­
Ti2L-0,18Pd 0,08 0,20 0,03 0,015 0,25 0,1 0,4
0,25
0,12­
Ti2-0,18Pd 0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,25
0,12­
Ti3H-0,018Pd 0,08 0,35 0,05 0,015 0,30 0,1 0,4
0,25
0,04­
Ti1-0,06Pd 0,08 0,18 0,03 0,015 0,20 0,1 0,4
0,08
0,04­
Ti1H-0,06Pd 0,08 0,18 0,03 0,013 0,20 0,1 0,4
0,08
0,04­
Ti2L-0,06Pd 0,08 0,20 0,03 0,015 0,25 0,1 0,4
0,08
0,04­
Ti2-0,06Pd 0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,08
Ti2-0,75Ni- 0,2­
0,08 0,25 0,03 0,015 0,30 0,6­0,9 0,1 0,4
0,3Mo 0,4
Ti1L-0,5Ni- 0,04­
0,08 0,10 0,03 0,015 0,20 0,4­0,6 0,1 0,4
0,05Ru 0,06
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ISO/FDIS 7217:2022(E)
© ISO 2022 – All rights reserved
Table 1 (continued)
Other elements
max
Designation C max O max N max H max Fe max Al V Pd Ru Ni Mo Cr Co Sn
single total
Ti2L-0,5Ni- 0,04­
0,08 0,15 0,03 0,015 0,30 0,4­0,6 0,1 0,4
0,05Ru 0,06
Ti2-0,5Ni- 0,04­
0,08 0,25 0,05 0,015 0,30 0,4­0,6 0,1 0,4
0,05Ru 0,06
Ti2-0,5Co- 0,04­ 0,2­
0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,06Pd 0,08 0,8
Ti3-0,5Co- 0,04­ 0,2­
0,08 0,35 0,05 0,015 0,30 0,1 0,4
0,06Pd 0,08 0,8
Ti2-0,45Ni-
0,01­ 0,02­ 0,35­ 0,1­
0,15Cr-0,03Ru- 0,08 0,25 0,03 0,015 0,30 0,1 0,4
0,02 0,04 0,55 0,2
0,015Pd
Ti3-0,45Ni-
0,01­ 0,02­ 0,35­ 0,1­
0,15Cr-0,03Ru- 0,08 0,35 0,05 0,015 0,30 0,1 0,4
0,02 0,04 0,55 0,2
0,015Pd
2,0­
Ti-5Al-2,5Sn 0,08 0,20 0,03 0,015 0,50 4,0­6,0 0,1 0,4
3,0
Ti-1,5Al 0,08 0,25 0,03 0,015 0,30 1,0­2,0 0,1 0,4
Ti-3Al-2,5V 0,08 0,15 0,03 0,015 0,25 2,5­3,5 2,0­3,0 0,1 0,4
Ti-6Al-4V 0,08 0,20 0,05 0,015 0,40 5,5­6,75 3,5­4,5 0,1 0,4
Ti-6Al-4V ELI 0,08 0,13 0,03 0,012 5 0,25 5,5­6,5 3,5­4,5 0,1 0,4
3,50­ 20,0­
Ti-22V-4Al 0,10 0,25 0,05 0,015 1,00 0,1 0,4
4,50 23,0
Ti-6Al-1Fe 0,10 0,30 0,05 0,015 0,4­1,5 5,5­6,5 0,1 0,4
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ISO/FDIS 7217:2022(E)
6.3 Tensile properties

The room temperature tensile properties of the bar, rod and billet in longitudinal direction of the final

rolling product shall conform to the requirements prescribed in Table 2.

The tensile testing shall be conducted in a method that is normally used by the manufacturer and the

purchaser and specified in this document. The test piece subjected to tensile testing is a rectangular

or circular cross­section test piece with a gauge length of 50 mm or 4D(d )/W(b ) or 5D(d )/W(b ).

0 0 0 0

The type of test piece shall be included in the purchase order. In case of disagreement, the test piece

specified in ISO 6892-1, Annex C or Annex D, shall be used as the referee test piece.

Table 2 — Tensile properties at room temperature
0,2 % proof Elongation in
Tensile strength b
strength (R ) 4D(d )/W(b ), Reduction of
Applicable p0,2 0 0
(R ) MPa c
a m 5D(d )/W(b ) or area
Designation dimensions 0 0
MPa
50 mm
min %
b, c c
min max min max
min %
Ti1 240 138 310 24 (30)
Ti1H 270 410 165 27
Ti2L 340 510 215 23
Ti2 345 275 450 20 (30)
Ti3 450 380 550 18 (30)
Ti3H 480 620 345 18
Ti4 550 (750) 483 (655) 15 (25)
Ti1­0,18Pd 240 138 310 24 (30)
Ti1H­0,18Pd 270 410 165 27
Ti2L­0,18Pd 340 510 215 23
Ti2­0,18Pd 345 275 450 20 (25)
Ti3H­0,18Pd 480 620 345 18
Ti1­0,06Pd 240 138 310 24 (30)
Ti1H­0,06Pd 240 380 170 24
Ti2L­0,06Pd 345 515 275 20
8 to 300
Ti2­0,06Pd 345 275 450 20 (25)
included
Ti2­0,75Ni­
483 345 ­ 18 (25)
0,3Mo
Ti­0,5Ni­0,2Fe­
275 (450) 170 24 (30)
0,1O­0,05Ru
Ti­0,5Ni­0,3Fe­
410 (530) 275 20 (30)
0,15O­0,05Ru
Ti­0,5Ni­0,3Fe­
483 (630) 380 18 (25)
0,25O­0,05Ru

Applicable dimensions are nominal diameter, width or width across flats of products. For bars (or rods) excluding Ti4,

Ti-6Al-4V and Ti-6Al-4V ELI with a round cross section less than 8 mm in diameter, only tensile strength specified in this

table is applied. The elongation value for such products may be established by agreement between the manufacturer and

the purchaser because of the use of a test piece with a gauge length different from 50 mm.

0,2 % proof strength is specified. When specific yielding point is exhibited, the yield strength (R ) shall satisfy the

specified strength.

Specified number in parentheses shall be applied when agreed upon the manufacturer and the purchaser and specified

in the purchase order.

Elongation value, when using a test piece with a gauge length different from 50 mm or other than 4D, 5D, shall be

established by agreement between the manufacturer and the purchaser.
© ISO 2022 – All rights reserved
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ISO/FDIS 7217:2022(E)
TTabablele 2 2 ((ccoonnttiinnueuedd))
0,2 % proof Elongation in
Tensile strength b
strength (R ) 4D(d )/W(b ), Reduction of
Applicable p0,2 0 0
(R ) MPa c
a m 5D(d )/W(b ) or area
Designation dimensions 0 0
MPa
50 mm
min %
b, c c
min max min max
min %
Ti2­0,5Co­
345 (515) 275 (450) 20 (30)
0,06Pd
Ti3­0,5Co­
450 (590) 380 (550) 18 (30)
0,06Pd
Ti2­0,45Ni­
0,15Cr­0,03Ru­ 345 275 450 20 (30)
0,015Pd
Ti3­0,45Ni­
0,15Cr­0,03Ru­ 450 380 550 18 (30)
0,015Pd
Ti­5Al­2,5Sn 828 793 10 25
Ti­1,5Al 345 215 (450) 20 (30)
Ti­3Al­2,5V 620 483 ­ 15 30
8 to 100
Ti­6Al­4V 895 825 10 25
included
Ti­6Al­4V ELI 825 755 10 25
8 to 25
640 900 850 10 55
excluded
Ti­22V­4Al
25 to 100
640 900 800 7 45
included
8 to 100
Ti­6Al­1Fe 895 825 10 25
included

Applicable dimensions are nominal diameter, width or width across flats of products. For bars (or rods) excluding Ti4,

Ti-6Al-4V and Ti-6Al-4V ELI with a round cross section less than 8 mm in diameter, only tensile strength specified in this

table is applied. The elongation value for such products may be established by agreement between the manufacturer and

the purchaser because of the use of a test piece with a gauge length different from 50 mm.

0,2 % proof strength is specified. When specific yielding point is exhibited, the yield strength (R ) shall satisfy the

specified strength.

Specified number in parentheses shall be applied when agreed upon the manufacturer and the purchaser and specified

in the purchase order.

Elongation value, when using a test piece with a gauge length different from 50 mm or other than 4D, 5D, shall be

established by agreement between the manufacturer and the purchaser.

Tensile testing shall be carried out in accordance with ISO 6892­1 or ASTM E8/E8M.

For measurement of the yield strength, the strain increase rate on the gauge length shall be 0,3 %/min

to 0,7 %/min. For measurement of the tensile strength after that of yield strength, the strain increase

rate estimated from the crosshead displacement rate shall be approximately 10 %/min to 40 %/min.

The tensile properties apply to longitudinal sections up to 100 mm in diameter, thickness or width

across flats. The direction of tensile testing for products over 100 mm in diameter, thickness or width

across flats may be established by agreement between the manufacturer and the purchaser.

Mechanical properties for conditions other than those given in Table 2 may be established by agreement

between the manufacturer and the purchaser.
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ISO/FDIS 7217:2022(E)
6.4 Dimensional tolerance
6.4.1 General

This document specifies dimensional tolerance for diameter of rounds, width across flats of squares,

hexagons and octagons, and width and thickness for rectangles. The dimensional tolerance for such

shapes as ovals, equilateral triangles and regular polygons other than squares, hexagons and octagons

may be established by agreement between the manufacturer and the purchaser.
6.4.2 Tolerance of diameter and width across flats

The tolerance of diameter and width across flats for rounds and squares whose diameter or width

across flats covered by this document shall conform to Table 3.

The tolerance of width across flats for hexagons and octagons whose width across flats covered by this

document shall conform to Table 4.

Table 3 — Permissible variation in diameter and width across flats for rounds and squares

Permissible variation
...

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