Aerospace series - Aluminium and aluminium- and magnesium- alloys - Technical specification - Part 3: Aluminium and aluminium alloy bar and section

This European Standard defines the requirements for the ordering, manufacture, testing, inspection and delivery of aluminium and aluminium alloy, bar and section, produced by extrusion, rolling or drawing. It shall be applied when referred to and in conjunction with the EN material standard unless otherwise specified on the drawing, order or inspection schedule.

Luft- und Raumfahrt - Aluminium und Aluminium- und Magnesiumlegierungen - Technische Lieferbedingungen - Teil 3: Stangen und Pressprofile aus Aluminium und Aluminiumlegierungen

Diese Europäische Norm legt die Anforderungen für die Bestellung, Herstellung, Prüfung, Inspektion und Lieferung von Stangen und Pressprofilen aus Aluminium und Aluminiumlegierungen fest, die per Strangziehen, Walzen oder Ziehen hergestellt werden. Sie ist anzuwenden, sofern auf sie verwiesen wird, sowie in Verbindung mit der EN-Werkstoffnorm, sofern in der Zeichnung, Bestellung oder Prüfanweisung nicht anders festgelegt.

Série aérospatiale - Aluminium et alliages d'aluminium et magnésium - Spécification technique - Partie 3 : Barres et profilés en aluminium et alliages d’aluminium

Aeronavtika - Aluminij in aluminijeve in magnezijeve zlitine - Tehnične specifikacije - 3. del: Aluminij in aluminijeve palice in profili

Ta evropski standard opredeljuje zahteve za naročanje, proizvodnjo, preskušanje, pregled ter dobavo aluminija in aluminijevih palic in profilov, izdelanih z ekstrudiranjem, valjanih ali vlečenih. Uporablja se, kadar se nanj sklicuje, in v povezavi s standardom za materiale EN, razen če je na skici, naročilu ali razporedu pregledov navedeno drugače.

General Information

Status
Published
Publication Date
26-Mar-2019
Technical Committee
Drafting Committee
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
03-Mar-2009

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SLOVENSKI STANDARD
SIST EN 4400-3:2019
01-junij-2019
1DGRPHãþD
SIST EN 2070-1:2001
SIST EN 2070-1:2001/A1:2001
SIST EN 2070-3:2001
$HURQDYWLND$OXPLQLMLQDOXPLQLMHYHLQPDJQH]LMHYH]OLWLQH7HKQLþQH
VSHFLILNDFLMHGHO$OXPLQLMLQDOXPLQLMHYHSDOLFHLQSURILOL
Aerospace series - Aluminium and aluminium- and magnesium- alloys - Technical
specification - Part 3: Aluminium and aluminium alloy bar and section
Luft- und Raumfahrt - Aluminium und Aluminium- und Magnesiumlegierungen -

Technische Lieferbedingungen - Teil 3: Stangen und Pressprofile aus Aluminium und

Aluminiumlegierungen

Série aérospatiale - Aluminium et alliages d'aluminium et magnésium - Spécification

technique - Partie 3 : Barres et profilés en aluminium et alliages d’aluminium
Ta slovenski standard je istoveten z: EN 4400-3:2019
ICS:
49.025.20 Aluminij Aluminium
77.150.10 Aluminijski izdelki Aluminium products
SIST EN 4400-3:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 4400-3:2019
---------------------- Page: 2 ----------------------
SIST EN 4400-3:2019
EN 4400-3
EUROPEAN STANDARD
NORME EUROPÉENNE
March 2019
EUROPÄISCHE NORM
ICS 49.025.20 Supersedes EN 2070-1:1989, EN 2070-3:1989
English Version
Aerospace series - Aluminium and aluminium- and
magnesium- alloys - Technical specification - Part 3:
Aluminium and aluminium alloy bar and section

Série aérospatiale - Aluminium et alliages d'aluminium Luft- und Raumfahrt - Aluminium und Aluminium- und

et magnésium - Spécification technique - Partie 3 : Magnesiumlegierungen - Technische

Barres et profilés en aluminium et alliages Lieferbedingungen - Teil 3: Stangen und Pressprofile

d'aluminium aus Aluminium und Aluminiumlegierungen
This European Standard was approved by CEN on 28 August 2017.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 4400-3:2019 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 4400-3:2019
EN 4400-3:2019 (E)
Contents Page

European foreword ...................................................................................................................................................... 3

1 Scope .................................................................................................................................................................... 5

2 Normative references .................................................................................................................................... 5

3 Terms and definitions ................................................................................................................................... 7

4 Wording of order ............................................................................................................................................. 8

5 Health and safety ............................................................................................................................................. 8

6 Technical requirements ............................................................................................................................... 8

Annex A (normative) Orientation and location of tensile test pieces in bar and sections .............. 35

Annex B (normative) Orientation and location of bearing stress specimens in bar and sections ..... 37

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SIST EN 4400-3:2019
EN 4400-3:2019 (E)
European foreword

This document (EN 4400-3:2019) has been prepared by the Aerospace and Defence Industries

Association of Europe - Standardization (ASD-STAN).

After enquiries and votes carried out in accordance with the rules of this Association, this Standard has

received the approval of the National Associations and the Official Services of the member countries of

ASD, prior to its presentation to CEN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by September 2019, and conflicting national standards shall

be withdrawn at the latest by September 2019.

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

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN 2070-1:1989, EN 2070-1/A1:1993, EN 2070-3:1989.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,

Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France,

Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,

Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

the United Kingdom.
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SIST EN 4400-3:2019
EN 4400-3:2019 (E)
Introduction

This European Standard is part of the series of EN metallic material standards for aerospace applications.

The general organization of this series is described in EN 4258.
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SIST EN 4400-3:2019
EN 4400-3:2019 (E)
1 Scope

This European Standard defines the requirements for the ordering, manufacture, testing, inspection and

delivery of aluminium and aluminium alloy, bar and section, produced by extrusion, rolling or drawing.

It shall be applied when referred to and in conjunction with the EN material standard unless otherwise

specified on the drawing, order or inspection schedule.
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.

EN 515, Aluminium and aluminium alloys — Wrought products — Temper designations

EN 2002-001, Aerospace series — Metallic materials — Test methods — Part 001: Tensile testing at

ambient temperature
1)

EN 2002-6, Aerospace series — Metallic materials — Test methods — Part 6: Bend testing

EN 2002-8, Aerospace series — Metallic materials — Test methods — Part 8: Micrographic determination

of grain size

EN 2002-022, Test methods for metallic materials — Part 022: Plane strain fracture toughness test

EN 2004-1, Aerospace series — Test methods for aluminium and aluminium alloy products —

Part 1: Determination of electrical conductivity of wrought aluminium alloys

EN 2004-10, Aerospace series — Test methods for aluminium and aluminium alloy products —

Part 10: Preparation of micrographic specimens for aluminium alloys

EN 2021, Aerospace series — Metallic materials — Test methods — Shear testing for thin flat product

EN 2032-001, Aerospace series — Metallic materials — Part 1: Conventional designation

EN 2032-2, Aerospace series — Metallic materials — Part 2: Coding of metallurgical condition in delivery

condition

EN 2078, Aerospace series — Metallic materials — Manufacturing schedule, inspection schedule, inspection

and test report — Definition, general principles, preparation and approval

EN 2715, Aerospace series — Macrographic examination of aluminium and aluminium alloy wrought

products, forging stock and forgings

EN 2716, Aerospace series — Test method — Determination of susceptibility to intergranular corrosion —

Wrought aluminium alloy products — AL-P2XXX- series, AL-P7XXX- series and aluminium-lithium alloys

1) Published as ASD-STAN Prestandard at the date of publication of this European Standard by AeroSpace and

Defence industries Association of Europe - Standardization (ASD-STAN), http://www.asd-stan.org

2) In preparation at the date of publication of this European Standard.
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SIST EN 4400-3:2019
EN 4400-3:2019 (E)

EN 2720, Aerospace series — Test method for metallic materials — Testing of susceptibility to exfoliation

corrosion in 2XXX and 7XXX series wrought aluminium alloy products for aerospace constructions

EN 3874, Aerospace series — Test methods for metallic materials — Constant amplitude force-controlled

low cycle fatigue testing

EN 3987, Aerospace series — Test method for metallic materials — Constant amplitude force-controlled

high cycle fatigue testing

EN 3988, Aerospace series — Test methods for metallic materials — Constant amplitude strain-controlled

low cycle fatigue testing

EN 4050-4, Aerospace series — Test method for metallic materials — Ultrasonic inspection of bars, plates,

forging stock and forgings — Part 4: Acceptance criteria

EN 4258, Aerospace series — Metallic materials — General organization of standardization — Links

between types of EN standards and their use
EN 4259, Aerospace series — Metallic materials — Definition of general terms

EN 4268, Aerospace series — Metallic materials — Heat treatment facilities — General requirements

EN 4522, Aerospace series — Metallic materials — Test methods — Pin-type bearing test of yield strength

EN 4523, Aerospace series — Metallic materials — Test methods — Compression testing

EN 4524, Aerospace series — Metallic materials — Test methods — Measurement of fatigue crack growth

rates

EN 4525, Aerospace series — Aluminium and aluminium alloys — Test methods — Shear testing

EN 4527, Aerospace series — Aluminium and aluminium alloy products — Test methods — Determining

susceptibility to stress-corrosion cracking

EN 6018, Aerospace series — Test methods for metallic materials — Determination of density according to

displacement method

EN 6072, Aerospace series — Metallic materials — Test methods — Constant amplitude fatigue testing

EN 9100, Quality Management Systems — Requirements for Aviation, Space and Defence Organizations

EN 9133, Aerospace series — Quality Management Systems — Qualification Procedure for Aerospace

Standard Products

EN 12258-1, Aluminium and aluminium alloys — Terms and definitions — Part 1: General terms

EN ISO 6506-1, Metallic materials — Brinell hardness test — Part 1: Test method (ISO 6506-1)

TR 2410, Aerospace series — Metallic materials — Relationship between dimensional standards and

material standards

3) Published as ASD-STAN Technical Report at the date of publication of this European Standard by AeroSpace and

Defence industries Association of Europe - Standardization (ASD-STAN), http://www.asd-stan.org

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SIST EN 4400-3:2019
EN 4400-3:2019 (E)
3 Terms and definitions

For the purposes of this document, the terms and definitions given in EN 4259 and the following apply.

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

• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
For definitions of temper designation, see EN 515.

For definitions specific to aluminium alloys, see EN 12258-1 and with the following additions for

aluminium alloy bar and section:
3.1
batch
as defined in EN 4259 with the following additions:
Temper
O, F, H TXXX
≤ 3 000 kg ≤ 2 000 kg
Mass
No. of final lengths
≤ 250 ≤ 200
Whichever is the smaller.
3.2
controlled stretching

stretching performed after solution heat treatment and quenching for the purpose of reducing internal

stresses and/or deviation from straightness/flatness or may be critical to the achievement of the

specified mechanical properties

Note 1 to entry: The stretching is defined by a minimum and maximum permanent elongation stated in the

material standard.

Note 2 to entry: In certain cases controlled stretching is also critical to the achievement of mechanical properties.

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SIST EN 4400-3:2019
EN 4400-3:2019 (E)
4 Wording of order
The order shall clearly indicate:
a) quantities to be supplied;
b) dates of delivery;
c) material standard number;
d) delivery condition;

e) dimensions and tolerances or reference to an appropriate dimensional standard;

f) forwarding address;
g) nature and type of packing, if required;
h) surface protection, if appropriate;

i) definition and frequency of any special tests and their retest procedures, if required.

5 Health and safety

Products in the delivery condition shall fulfil the health and safety laws of the area of the country when

and where they are to be delivered.
A product safety data sheet shall be available.
6 Technical requirements
6.1 General

The product shall be manufactured in accordance with the requirements of the relevant material

standard and the applicable requirements of this technical specification. A manufacturing schedule shall

be established and applied in accordance with EN 2078.

The product shall satisfy the requirements of the material standard and/or order. Instructions for the use

of the material standard are contained in EN 4258. Unless otherwise specified, the requirements in Tables

1 and 2 shall apply in conjunction with those of the relevant material standard. Table 1 relates to lines 1

to 29 (inclusive) of the material standard and Table 2 relates to lines 30 onwards in which the sub-line

format is also used. Lines 2 to 98 may also be opened in line 100 if the material standard details specific

qualification requirements. If a specific line number is not shown in Tables 1 and 2, the requirement is

stated in the material standard and/or order.
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SIST EN 4400-3:2019
EN 4400-3:2019 (E)
6.2 Qualification requirements

Qualification requirements when invoked by the material standard and/or order are detailed in

Tables 1 and 2. Unless otherwise agreed between the manufacturer and purchaser the qualification

phase shall be as shown below:
Qualification phase
Starting Intermediate
st nd rd th th
1 , 2 and 3 batches 4 and 5 batches
6.3 Release requirements
6.3.1 Release tests
Release testing shall be the responsibility of the manufacturer.

The purchaser reserves the right to perform any of the inspections and/or tests required by the material

standard and/or order.
The test samples shall be representative of the product.

When required, the manufacturer shall inform the purchaser of the planned dates for extraction of

samples and release testing in order that these operations may be witnessed.

Tables 1 and 2 detail the requirements for each line of the material standard. Unless otherwise specifically

requested by the purchaser, a particular inspection and/or test for release shall be carried out if

corresponding acceptance criteria and/or values are stated in the applicable material standard, but see

also 6.3.5 "Capability clause".
6.3.2 Retests

If any requirement is not met, retests shall be carried out under the following conditions unless otherwise

stated in the material standard or order.

If the test procedure or test piece preparation is faulty, testing shall be re-applied at the original frequency

after rectification of the original cause of failure on a test sample located near the original one.

When failure cannot be attributed to faulty testing, or test piece preparation, further test samples shall

be selected at twice the original frequency from the product, 1 (one) of which shall be that on which the

original results were obtained unless already withdrawn by the manufacturer after suitable identification

of the cause of failure. If all retest results are satisfactory, the batch shall be accepted. If 1 (one) or more

tests are unsatisfactory, the batch shall be:
• rejected, or
• 100 % retested and the conforming products accepted, or

• partially or fully re-heat treated if heat treatment can rectify the cause of the failure and tested as a

completely new batch except for chemical composition. The re-heat treatment shall be stated on the

inspection and test report. No product or test sample shall be re-heat treated more than twice.

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SIST EN 4400-3:2019
EN 4400-3:2019 (E)
6.3.3 Rejection

Any failure to meet the requirements of the material standard shall be cause for rejection.

6.3.4 Special tests

Special tests additional to those detailed in the material standard may be required by the purchaser. In

such cases, the nature of the test, method, frequency and acceptance criteria shall be specified on the

order or inspection schedule and shall be mutually agreed by the manufacturer and the purchaser.

6.3.5 Capability clause

Where sufficient statistical evidence exists that the required acceptance criteria can be routinely achieved

and with the agreement of the purchaser, the "capability clause" may be invoked when and where stated

in the material standard and / or this technical specification. In such cases, the test need not be carried

out for release purposes unless specifically requested by the purchaser. However, this in no way reduces

the obligations of the manufacturer to fulfil the requirements. If subsequent testing indicates that the

product does not comply with the requirements, the batch shall be rejected.

If the "capability clause" is invoked but sufficient statistical evidence does not exist, the test shall be

carried out for release purposes at a frequency agreed between the manufacturer and purchaser.

6.3.6 Statistical process control

Reduction in the extent of release testing, other than that defined in 6.3.5 above may be negotiated with

the purchaser on the basis of appropriate statistical process control and/or statistical data.

6.3.7 Inspection and test report

The manufacturer shall furnish, with each delivery, a report conforming to the requirements of EN 2078

stating the following:
a) manufacturer's name and address;
b) order number;

c) the following statement: "This product has been tested according to EN 4400-3";

d) material standard number;
e) delivery condition and metallurgical code of the product;
f) quantity and dimensions;
g) manufacturing and inspection schedule reference, if appropriate;
h) cast and batch number;
i) batch and/or test sample heat treatment, if required by the purchaser;
j) results of all tests and chemical analysis and re-tests.
6.4 Traceability

Each product shall be traceable to the cast, production batch and/or heat treatment batch at all stages of

manufacture, testing and delivery.
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EN 4400-3:2019 (E)
SIST EN 4400-3:2019
Table 1 — Technical requirements for lines 1 to 29, where appropriate (1 of 8)
Frequency of testing
Material standard line
reference
Requirements
Qualification phase
Release
No. Title Starting Intermediate
1 Material designation See EN 2032-001. − − −

2 Chemical composition The test samples used for chemical analysis shall be representative of the product and may be taken from 1 (one) per 1 (one) per 1 (one) per

the molten metal. Any subsequent analytical checks taken from the solid product shall take into cast cast cast

consideration the heterogeneity normal to the alloy. The method of chemical analysis shall be at the

discretion of the manufacturer unless otherwise stated in the material standard or order. In cases of dispute,

the method of chemical analysis shall be agreed between the manufacturer and purchaser. The measured

chemical composition shall meet the requirements of the material standard and shall be stated in the

inspection and test report.

3 Method of melting At the discretion of the manufacturer or unless otherwise stated in the material standard. − − −

4.1 Form Bar and section − − −
4.2 Method of production Extrusion, rolling or drawing − − −

The product shall satisfy the requirements of the relevant material standard and this technical specification.

The manufacturer shall define the raw materials, processes and inspection requirements in a manufacturing

schedule in accordance with EN 2078 and EN 9133. The manufacturer shall make this available to the

purchaser upon request. Changes to any manufacturing schedule agreed during qualification and which may

adversely affect the quality of the product shall be advised by the manufacturer and shall be subject to

written approval of the purchaser.

Each product shall be traceable to the cast, production batch and/or heat treatment batch at all stages of

manufacture, testing and delivery.

Die (press) quenching of AL-P6XXX series alloys shall be permitted unless specifically precluded by the order

or drawing. Die (press) quenching of all other alloys shall not be permitted unless agreed in writing between

the manufacturer and purchaser.

The use of bridge/porthole dies shall only be permissible when agreed in writing between the manufacturer

and purchaser.

Multi-hole die extrusion shall be permitted unless specifically precluded by the order.

Minor straightening or other rectification of products shall be permitted after controlled stretching unless

specifically precluded on the order. Such rectification shall be carried out as soon as possible after solution

heat treatment and controlled stretching and before any artificial ageing. The product shall be marked to

state whether it is in the Txx10 or Txx11 condition.

Minimum and/or maximum size of the product expressed as the nominal thickness a, or nominal thicknesses for

4.3 Limit dimension(s)

multi-legged/flanged sections, or as a nominal diameter, D, of round bar or o9100f the circumscribing circle for − − −

regular polygonal bar. The dimensions shall be as given on the drawing. See also line 96.

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EN 4400-3:2019 (E)
SIST EN 4400-3:2019
Table 1 — Technical requirements for lines 1 to 29, where appropriate (2 of 8)
Frequency of testing
Material standard line
reference
Requirements
Qualification phase
Release
No. Title Starting Intermediate

5 Technical specification Reference to this technical specification EN 4400-3. In cases of conflict, the requirements of the material − − −

standard shall take precedence over those of this technical specification. See also EN 4258.

6.1 Delivery condition The product shall be supplied in the delivery condition specified in this line in the material standard and/or

− − −
as stated on the order.
(1 of 3)

When required, semi-finished product designations shall conform to the requirements of the order.

Marking:

The method of marking used shall not cause corrosion, crack initiation, contamination or unacceptable

deformation. The marking shall remain permanently visible after handling and contact with protective

products.

Unless otherwise specified, the nature and colour of marking ink and type of marking characters shall be left

to the discretion of the manufacturer. The marking inks shall be removable with cleaning products which do

not leave a residue which could affect further processing. The cleaning products shall not give rise to

corrosion.

All products shall be marked legibly as indicated in the following tables. Additional marking shall be agreed

between the manufacturer and purchaser and stated on the order.
Product of diameter D, or major sectional dimension > 12,5 mm
a, b a, c
Continuous marking End marking
Material standard Batch number
Dimensional standard or part/drawing number Inspection stamp
Delivery condition
Manufacturer/plant identification
Ink or similar product shall be used.
All information shall be repeated at least every 500 mm.

Hard stamping (on one end of the product) shall only be carried out if specifically requested by the

purchaser.
Products of diameter or major sectional dimension, a or D ≤ 12,5 mm

The information stated in the above table shall be indelibly marked on a durable label attached to each

bundle of products.
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EN 4400-3:2019 (E)
SIST EN 4400-3:2019
Table 1 — Technical requirements for lines 1 to 29, where appropriate (3 of 8)
Frequency of testing
Material standard line
reference
Requirements
Qualification phase
Release
No. Title Starting Intermediate
6.1 Delivery condition Preservation: – – –
(2 of 3)

Unless otherwise agreed and stated on the order, the product shall be delivered with corrosion protection.

The type of corrosion protection shall be agreed between the purchaser and manufacturer.

Packing:

All necessary precautions shall be taken to prevent damage to, or corrosion of the product, especially where

the delivered surface finish shall be maintained, that is, not subsequently machined.

The packing shall be suitable for the type of transportation used.
The exterior of the packing shall bear the following information:
– name and address of recipient,
– mass,

– order number and sufficient information to enable the contents to be related to the relevant

documentation.
Shipment:
The responsibility for shipping shall be detailed in a transport contract.

Heat treatment Thermal and/or thermomechanical operations shall be applied to the product as specified in the material − − −

standard and are listed in the same order as they are to be applied. Abbreviations and symbols used in the

material standard are shown in the following table: all other terms are written in full.

Term Abbreviation/Symbol Term Abbreviation/Symbol
temperature θ minute min
time t second s
day d water quench WQ
hour h air cool AC
Unless otherwise specified, heat treatment facilities shall conform to EN 4268.

If a specific temperature (value and tolerance) and time are stated in the material standard or order, these

parameters shall be mandatory. If a temperature range is stated, a temperature within that range, reduced

by the tolerances of the furnace, shall be selected. The charge shall be maintained at the temperature selected,

subject to the furnace tolerances in the following table, for the period stated in the material standard:

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EN 4400-3:2019 (E)
SIST EN 4400-3:2019
Table 1 — Technical requirements for lines 1 to 29, where appropriate (4 of 8)
Frequency of testing
Material standard line
reference
Requirements
Qualification phase
Release
No. Title Starting Intermediate
6.1 Heat treatment – –
(3 of 3)
Temperature range specified Maximum tolerance
Heat treatment
in material standard °C
Solution heat treatment ≥ 10 °C ± 5
≥ 10 °C ± 5
Artificial ageing
< 10 °C ± 3

When the duration of the treatment stage is stated as a range, a time within that range shall be selected. When

the duration is not specified, it shall be at the discretion of the manufacturer. Where “ramping” to the

treatment temperature is allowed in the material standard and is used, this shall be stated in the inspection

and test report.

Where controlled stretching after solution heat treatment is required, this is defined as a stage within the

heat treatment. A permanent elongation within the range stated in the material standard shall be selected.

6.2 Delivery condition code See EN 2032-2. − − −

7 Use condition The use condition temper of the product shall be stated in the material standard.

− − −

Heat treatment − If the delivery condition is the use condition, no further heat treatment shall be applied to the product. − − −

− If the delivery condition is not the use condition, the product shall be subject to heat treatment(s) in

(1 of 2)

the same order as those specified in the material standard. Abbreviations and symbols used in the

material standard are shown in the following table: all other terms are written in full.

Term Abbreviation/Symbol Term Abbreviation/Symbol
temperature θ minute min
time t second s
day d water quench WQ
hour h air cool AC
Unless otherwise specified, heat t
...

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