Welding consumables - Wire and strip electrodes, wires and rods for fusion welding of nickel and nickel alloys - Classification (ISO 18274:2010)

ISO 18274:2010 specifies requirements for classification of solid wire electrodes, solid strip electrodes or solid rods for fusion welding of nickel and nickel alloys. The classification of the solid wire electrodes, solid strip electrodes or solid rods is based on their chemical composition.

Schweißzusätze - Draht- und Bandelektroden, Massivdrähte und -stäbe zum Schmelzschweißen von Nickel und Nickellegierungen - Einteilung (ISO 18274:2010)

Diese Internationale Norm legt Anforderungen für die Einteilung von Massivdrähten, Massivbändern und
Massivstäben zum Schmelzschweißen von Nickel und Nickellegierungen fest. Die Einteilung der
Massivdrähte, Massivbänder und Massivstäbe erfolgt nach ihrer chemischen Zusammensetzung.

Produits consommables pour le soudage - Fils-électrodes et feuillards, fils et baguettes pour le soudage par fusion du nickel et des alliages de nickel - Classification (ISO 18274:2010)

L'ISO 18274:2010 spécifie les exigences de classification des fils-électrodes pleins, feuillards pleins, fils pleins et baguettes pleines pour le soudage par fusion du nickel et des alliages de nickel. La classification des fils-électrodes pleins, feuillards pleins, fils pleins et baguettes pleines est basée sur leur composition chimique.

Dodajni materiali za varjenje - Žične in tračne elektrode, žice in palice za talilno varjenje niklja in nikljevih zlitin - Razvrstitev (ISO 18274:2010)

Ta mednarodni standard določa zahteve za razvrščanje žičnih elektrod, tračnih elektrod, žic in palic za talilno varjenje niklja in nikljevih zlitin. Razvrščanje žičnih elektrod, tračnih elektrod, žic in palic temelji na njihovi kemični sestavi.

General Information

Status
Published
Public Enquiry End Date
24-Jul-2009
Publication Date
28-Nov-2011
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
23-Nov-2011
Due Date
28-Jan-2012
Completion Date
29-Nov-2011

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SLOVENSKI STANDARD
SIST EN ISO 18274:2012
01-januar-2012
1DGRPHãþD
SIST EN ISO 18274:2004
SIST EN ISO 18274:2004/AC:2007

'RGDMQLPDWHULDOL]DYDUMHQMHäLþQHLQWUDþQHHOHNWURGHåLFHLQSDOLFH]DWDOLOQR

YDUMHQMHQLNOMDLQQLNOMHYLK]OLWLQ5D]YUVWLWHY ,62

Welding consumables - Wire and strip electrodes, wires and rods for fusion welding of

nickel and nickel alloys - Classification (ISO 18274:2010)
Schweißzusätze - Draht- und Bandelektroden, Massivdrähte und -stäbe zum
Schmelzschweißen von Nickel und Nickellegierungen - Einteilung (ISO 18274:2010)

Produits consommables pour le soudage - Fils-électrodes et feuillards, fils et baguettes

pour le soudage par fusion du nickel et des alliages de nickel - Classification (ISO

18274:2010)
Ta slovenski standard je istoveten z: EN ISO 18274:2010
ICS:
25.160.20 Potrošni material pri varjenju Welding consumables
77.120.40 Nikelj, krom in njune zlitine Nickel, chromium and their
alloys
SIST EN ISO 18274:2012 en,fr,de

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

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SIST EN ISO 18274:2012
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SIST EN ISO 18274:2012
EUROPEAN STANDARD
EN ISO 18274
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2010
ICS 25.160.20 Supersedes EN ISO 18274:2004
English Version
Welding consumables - Solid wire electrodes, solid strip
electrodes, solid wires and solid rods for fusion welding of nickel
and nickel alloys - Classification (ISO 18274:2010)

Produits consommables pour le soudage - Fils-électrodes Schweißzusätze - Draht- und Bandelektroden,

pleins, feuillards pleins, fils pleins et baguettes pleines pour Massivdrähte und -stäbe zum Schmelzschweißen von

le soudage par fusion du nickel et des alliages de nickel - Nickel und Nickellegierungen - Einteilung (ISO 18274:2010)

Classification (ISO 18274:2010)
This European Standard was approved by CEN on 14 December 2010.

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

Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 18274:2010: E

worldwide for CEN national Members.
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SIST EN ISO 18274:2012
EN ISO 18274:2010 (E)
Contents Page

Foreword ..............................................................................................................................................................3

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SIST EN ISO 18274:2012
EN ISO 18274:2010 (E)
Foreword

This document (EN ISO 18274:2010) has been prepared by Technical Committee ISO/TC 44 "Welding and

allied processes" in collaboration with Technical Committee CEN/TC 121 “Welding” the secretariat of which is

held by DIN.

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 June 2011, and conflicting national standards shall be withdrawn at

the latest by June 2011.

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

rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 18274:2004.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
Endorsement notice

The text of ISO 18274:2010 has been approved by CEN as a EN ISO 18274:2010 without any modification.

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SIST EN ISO 18274:2012
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SIST EN ISO 18274:2012
INTERNATIONAL ISO
STANDARD 18274
Second edition
2010-12-15
Welding consumables — Solid wire
electrodes, solid strip electrodes, solid
wires and solid rods for fusion welding of
nickel and nickel alloys — Classification
Produits consommables pour le soudage — Fils-électrodes pleins,
feuillards pleins, fils pleins et baguettes pleines pour le soudage
par fusion du nickel et des alliages de nickel — Classification
Reference number
ISO 18274:2010(E)
ISO 2010
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
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ii © ISO 2010 – All rights reserved
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
Contents Page

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

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

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

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

3 Classification .........................................................................................................................................1

4 Symbols and requirements ..................................................................................................................1

4.1 Symbols for the product form..............................................................................................................1

4.2 Symbol for the chemical composition ................................................................................................2

5 Mechanical properties of the weld metal ............................................................................................9

6 Chemical analysis .................................................................................................................................9

7 Rounding procedure .............................................................................................................................9

8 Retest......................................................................................................................................................9

9 Technical delivery conditions ..............................................................................................................9

10 Designation ............................................................................................................................................9

Annex A (informative) Description of consumables classes .......................................................................11

Annex B (informative) System for designation of welding filler metals......................................................18

Annex C (informative) Corresponding national classifications and typical weld metal tensile

strengths ..............................................................................................................................................19

Bibliography......................................................................................................................................................24

© ISO 2010 – All rights reserved iii
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SIST EN ISO 18274:2012
ISO 18274:2010(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.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.

The main task of technical committees is to prepare International Standards. Draft International Standards

adopted by the technical committees are circulated to the member bodies for voting. Publication as an

International Standard requires approval by at least 75 % of the member bodies casting a vote.

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.

ISO 18274 was prepared by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee

SC 3, Welding consumables.

This second edition cancels and replaces the first edition (ISO 18274:2004), of which it constitutes a

technical revision. It also incorporates the Technical Corrigenda ISO 18274:2004/Cor.1:2005 and

ISO 18274:2004/Cor.2:2006.

Requests for official interpretation of any aspect of this International Standard should be directed to the

Secretariat of ISO/TC 44/SC 3 via your national standards body. A complete listing of these bodies can be

found at www.iso.org.
iv © ISO 2010 – All rights reserved
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
Introduction

For nickel welding consumables, there is no unique relationship between the product form (solid wire

electrode, solid strip electrode, solid wire or solid rod) and the welding process used (e.g. gas shielded metal

arc welding, gas tungsten arc welding, plasma arc welding, submerged arc welding, strip overlay welding,

laser welding or other welding processes). For this reason, the solid wire electrode, solid strip electrode, solid

wire or solid rod may be classified on the basis of any of the above product forms and can be used as

appropriate, for more than one of the above processes.
© ISO 2010 – All rights reserved v
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SIST EN ISO 18274:2012
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SIST EN ISO 18274:2012
INTERNATIONAL STANDARD ISO 18274:2010(E)
Welding consumables — Solid wire electrodes, solid strip
electrodes, solid wires and solid rods for fusion welding
of nickel and nickel alloys — Classification
1 Scope

This International Standard specifies requirements for classification of solid wire electrodes, solid strip

electrodes, solid wires and solid rods for fusion welding of nickel and nickel alloys. The classification of the

solid wire electrodes, solid strip electrodes, solid wires and solid rods is based on their chemical composition.

2 Normative references

The following referenced documents are indispensable for the application 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 544, Welding consumables — Technical delivery conditions for filler materials and fluxes — Type of

product, dimensions, tolerances and markings
ISO 14344, Welding consumables — Procurement of filler materials and fluxes
ISO 80000-1:2009, Quantities and units — Part 1:General
3 Classification
The classification is divided into two parts:

a) the first part indicates the product form, being solid wire electrode, solid strip electrode, solid wire or solid

rod, see 4.1;

b) the second part gives a numerical symbol indicating the chemical composition of the solid wire electrode,

solid strip electrode, solid wire or solid rod, see Table 1.
4 Symbols and requirements
4.1 Symbols for the product form

The symbol for the solid wire electrode, solid wire or solid rod shall be “S”. The symbol for the solid strip

electrode shall be “B”.
NOTE One product form can be used for more than one welding process.
© ISO 2010 – All rights reserved 1
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
4.2 Symbol for the chemical composition

The initial symbol “Ni" in Table 1 identifies the welding consumable as a nickel base alloy. The following four

digits indicate the chemical composition of the solid wire electrode, solid strip electrode, solid wire or solid rod,

determined under conditions given in Clause 6. The first digit is an indicator of the alloy group as follows:

⎯ 1 significant molybdenum addition without significant chromium addition (nickel-molybdenum alloys);

⎯ 2 no significant alloy addition;
⎯ 4 significant copper addition (nickel-copper alloys);

⎯ 5 significant copper additions with aluminium and titanium for precipitation hardening;

⎯ 6 significant chromium addition, with iron less than 25 % (by mass) (nickel-chromium-iron and nickel-

chromium-molybdenum alloys);
⎯ 7 same as 6, but with aluminium and titanium for precipitation hardening;

⎯ 8 significant chromium addition, with iron more than 25 % (by mass) (nickel-iron-chromium alloys).

The remaining digits indicate the alloy composition of the welding consumable. A description of common uses

of each welding consumable alloy is given in Annex A. The basis of the system of designation is described in

Annex B.
NOTE In addition, the chemical symbol can be used.
2 © ISO 2010 – All rights reserved
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
© ISO 2010 – All rights reserved 3

Table 1 — Symbols and chemical composition requirements for solid wire electrodes, solid strip electrodes, solid wires and solid rods

Alloy symbols Chemical composition, % (by mass)
b c d, e
Numerical Chemical C Mn Fe Si Cu Ni Co Al Ti Cr Nb Mo W Others
Nickel
Ni 2061 NiTi3 0,15 1,0 1,0 0,7 0,25 W92,0 — 1,5 2,0 — — — — P 0,03
to 3,5
Nickel-Copper
Ni 4060 NiCu30Mn3Ti 0,15 4,0 2,5 1,2 28,0 W62,0 — 1,2 1,5 — 0,3 — — —
to 32,0 to 3,0
Ni 4061 NiCu30Mn3Nb 0,15 4,0 2,5 1,25 28,0 W60,0 — 1,0 1,0 — 3,0 — — —
to 32,0
Ni 5504 NiCu25Al3Ti 0,25 1,5 2,0 1,0 W20,0 63,0 — 2,0 0,3 — — — — P 0,03
to 70,0 to 4,0 to 1,0
Nickel-Chromium
Ni 6072 NiCr44Ti 0,01 0,20 0,50 0,20 0,50 W52,0 — — 0,3 42,0 — — — —
to 0,10 to 1,0 to 46,0

NI 6073 NiCr38AlNbTi 0,03 0,50 1,0 0,30 0,30 W63,0 1,0 0,75 0,25 36,0 to 0,25 0,50 — P 0,02

to 1,20 to 0,75 39,0 to 1,00 S 0,015
B 0,003
Zr 0,02
Ni 6076 NiCr20 0,08 1,0 2,00 0,30 0,50 W75,0 — 0,4 0,15 19,0 — — — P 0,03
to 0,15 to 0,50 to 21,0
Ni 6082 NiCr20Mn3Nb 0,10 2,5 3,0 0,5 0,5 W67,0 — — 0,7 18,0 2,0 — — P 0,03
to 3,5 to 22,0 to 3,0
Nickel-Chromium-Iron
Ni 6002 NiCr21Fe18Mo9 0,05 1,0 17,0 1,0 0,5 W44,0 0,5 — — 20,5 — 8,0 0,2 P 0,04
to 0,15 to 20,0 to 2,5 to 23,0 to 10,0 to 1,0 S 0,03
Ni 6025 NiCr25Fe10AlY 0,15 0,5 8,0 0,5 0,1 W59,0 1,0 1,8 0,1 24,0 — — — Y 0,05
to 0,25 to 11,0 to 2,4 to 0,2 to 26,0 to 0,12;
Zr 0,01
to 0,10
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
4 © ISO 2010 – All rights reserved
Table 1 (continued)
Alloy symbols Chemical composition, % (by mass
b c d, e
Numerical Chemical C Mn Fe Si Cu Ni Co Al Ti Cr Nb Mo W Others

Ni 6030 NiCr30Fe15Mo5W 0,03 1,5 13,0 0,8 1,0 W36,0 5,0 — — 28,0 0,3 4,0 1,5 P 0,04

to 17,0 to 2,4 to 31,5 to 1,5 to 6,0 to 4,0 S 0,02
Ni 6043 NiCr30Fe9Nb2 0,04 3,0 7,0 0,5 0,30 W54,0 — 0,50 0,5 28,0 1,0 0,50 — —
to 12,0 to 31,5 to 2,5
Ni 6045 NiCr28Fe23Si3 0,05 1,0 21,0 2,5 0,3 W40,0 1,0 0,30 — 26,0 — — — P 0,020
to 0,12 to 25,0 to 3,0 to 29,0 S 0,010

Ni 6052 NiCr30Fe9 0,04 1,0 7,0 0,5 0,3 W54,0 — 1,1 1,0 28,0 0,10 0,5 — Al + Ti < 1,5

to 11,0 to 31,5

Ni 6054 NiCr29Fe9 0,04 1,0 7,0 0,50 0,30 W51,0 0,12 1,10 1,0 28,0 0,5 0,50 — P 0,02

to 11,0 to 31,5 to 1,0 S 0,015

Ni 6055 NiCr29Fe5Mo4Nb3 0,03 1,0 14,4 0,50 0,30 52,0 0,10 0,50 0,50 28,5 2,1 3,0 to — P 0,02

to 62,0 to 31,0 to 4,0 5,0 S 0,015
B 0,003
Zr 0,02
Ni 6062 NiCr15Fe8Nb 0,08 1,0 6,0 0,3 0,5 W70,0 — — — 14,0 1,5 — — P 0,03
to 10,0 to 17,0 to 3,0
Ni 6176 NiCr16Fe6 0,05 0,5 5,5 0,5 0,1 W76,0 0,05 — — 15,0 — — — —
to 7,5 to 17,0
Ni 6601 NiCr23Fe15Al 0,10 1,0 20,0 0,5 1,0 58,0 — 1,0 — 21,0 — — — P 0,03
to 63,0 to 1,7 to 25,0
Ni 6693 NiCr29Fe4Al3 0,15 1,0 2,5 0,5 0,5 W53,0 — 2,5 1,0 27,0 0,5 — — P 0,03
to 6,0 to 4,0 to 31,0 to 2,5 S 0,01
Ni 6701 NiCr36Fe7Nb 0,35 0,5 to 7,0 0,5 to — 42,0 — — — 33,0 0,8 — — —
to 0,50 2,0 2,0 to 48,0 to 39,0 to 1,8

Ni 6975 NiCr25Fe13Mo6 0,03 1,0 10,0 1,0 0,7 W47,0 — — 0,70 to 23,0 — 5,0 — P 0,03

to 17,0 to 1,2 1,50 to 26,0 to 7,0 S 0,03

Ni 6985 NiCr22Fe20Mo7Cu2 0,01 1,0 18,0 1,0 1,5 W40,0 5,0 — — 21,0 0,50 6,0 1,5 P 0,04

to 21,0 to 2,5 to 23,5 to 8,0 S 0,03
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
© ISO 2010 – All rights reserved 5
Table 1 (continued)
Alloy symbols Chemical composition, % (by mass)
b c d, e
Numerical Chemical C Mn Fe Si Cu Ni Co Al Ti Cr Nb Mo W Others
Ni 7069 NiCr15Fe7Nb 0,08 1,0 5,0 0,50 0,50 W70,0 — 0,4 2,0 14,0 0,70 — — P 0,03
to 9,0 to 1,0 to 2,7 to 17,0 to 1,20
Ni 7092 NiCr15Ti3Mn 0,08 2,0 8,0 0,3 0,5 W 67,0 — — 2,5 14,0 — — — P 0,03
to 2,7 to 3,5 to 17,0

Ni 7718 NiCr19Fe19Nb5Mo3 0,08 0,3 24,0 0,3 0,3 50,0 — 0,2 0,7 17,0 4,8 2,8 — B 0,006

to 55,0 to 0,8 to 1,1 to 21,0 to 5,5 to 3,3 P 0,015
Ni 8025 NiFe30Cr29Mo 0,02 1,0 30,0 0,5 1,5 35,0 — 0,2 1,0 27,0 — 2,5 — —
to 3,0 to 3,0 to 40,0 to 31,0 to 4,5
Ni 8065 NiFe30Cr21Mo3 0,05 1,0 W22,0 0,5 1,5 38,0 — 0,2 0,6 19,5 — 2,5 — P 0,03
to 3,0 to 46,0 to 1,2 to 23,5 to 3,5 S 0,03
Ni 8125 NiFe26Cr25Mo 0,02 1,0 30,0 0,5 1,5 37,0 — 0,2 1,0 23,0 — 3,5 — —
to 3,0 to 3,0 to 42,0 to 27,0 to 7,5
Nickel-Molybdenum
Ni 1001 NiMo28Fe 0,08 1,0 4,0 1,0 0,5 W55,0 2,5 — — 1,0 — 26,0 1,0 V 0,20
to 7,0 to 30,0 to 0,40
S 0,03
Ni 1003 NiMo17Cr7 0,04 1,0 5,0 1,0 0,50 W65,0 0,20 — — 6,0 — 15,0 0,50 V 0,50
to 0,08 to 8,0 to 18,0 S 0,02
Ni 1004 NiMo25Cr5Fe5 0,12 1,0 4,0 1,0 0,5 W62,0 2,5 — — 4,0 — 23,0 to 1,0 V 0,60
to 7,0 to 6,0 26,0 P 0,04
S 0,03
Ni 1008 NiMo19WCr 0,1 1,0 10,0 0,50 0,50 W60,0 — — — 0,5 — 18,0 2,0 to —
to 3,5 to 21,0 4,0
Ni 1009 NiMo20WCu 0,1 1,0 5,0 0,5 0,3 W65,0 — 1,0 — — — 19,0 2,0 to —
to 1,3 to 22,0 4,0
Ni 1024 NiMo25 0,03 0,80 2,0 0,80 0,50 W59,0 1,0 0,50 — 7,0 — 24,0 — P 0,030
to 9,0 to 26,0 S 0,015
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
6 © ISO 2010 – All rights reserved
Table 1 (continued)
Alloy symbols Chemical composition, % (by mass)
b c d, e
Numerical Chemical C Mn Fe Si Cu Ni Co Al Ti Cr Nb Mo W Others
Ni 1062 NiMo24Cr8Fe6 0,01 1,0 5,0 0,1 0,5 W62,0 — 0,5 — 6,0 — 21,0 — —
to 8,0 to 10,0 to 25,0
Ni 1066 NiMo28 0,02 1,0 2,0 0,1 0,5 W64,0 1,0 — 0,5 1,0 — 26,0 1,0 P 0,04
to 30,0 S 0,03
Ni 1067 NiMo30Cr 0,01 3,0 1,0 0,1 0,2 W65,0 3,0 0,5 0,2 1,0 0,2 27,0 3,0 V 0,20
to 3,0 to 3,0 to 32,0 P 0,03
Ni 1069 NiMo28Fe4Cr 0,01 1,0 2,0 0,1 0,5 W65,0 1,0 0,1 0,3 0,5 0,5 26,0 — —
to 5,0 to 0,5 to 1,5 to 30,0
Nickel-Chromium-Molybdenum
Ni 6012 NiCr22Mo9 0,05 1,0 3,0 0,5 0,5 W58,0 — 0,4 0,4 20,0 1,5 8,0 — —
to 23,0 to 10,0

Ni 6022 NiCr21Mo13Fe4W3 0,01 0,5 2,0 0,08 0,5 W49,0 2,5 — — 20,0 — 12,5 2,5 V 0,3

to 6,0 to 22,5 to 14,5 to 3,5

Ni 6035 NiCr33Mo8 0,05 0,5 2,0 0,6 0,30 W49,0 1,00 0,40 0,20 32,25 0,50 7,60 0,60 V 0,20

to to 9,00 P 0,030
34,25 S 0,015
Ni 6057 NiCr30Mo11 0,02 1,0 2,0 1,0 — W53,0 — — — 29,0 — 10,0 — V 0,4
to 31,0 to 12,0 P 0,04
S 0,03
Ni 6058 NiCr21Mo20 0,01 0,5 1,5 0,10 0,50 W52,0 0,3 0,4 — 20,0 — 19,0 0,3 N 0,02
to 23,0 to 21,0 to 0,15
P 0,015
S 0,010
Ni 6059 NiCr23Mo16 0,01 0,5 1,5 0,1 0,5 W56,0 0,3 0,1 0,5 22,0 — 15,0 — V 0,3
to 0,4 to 24,0 to 16,5

Ni 6200 NiCr23Mo16Cu2 0,01 0,5 3,0 0,08 1,3 W52,0 2,0 0,5 — 22,0 — 15,0 — P 0,025

to 1,9 to 24,0 to 17,0
Ni 6205 NiCr25Mo16 0,03 0,5 1,0 0,5 0,2 W55,0 0,2 0,4 0,4 24,0 — 14,0 0,3 —
to 26,0 to 16,0
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
© ISO 2010 – All rights reserved 7
Table 1 (continued)
Alloy symbols Chemical composition, % (by mass)
b c d, e
Numerical Chemical C Mn Fe Si Cu Ni Co Al Ti Cr Nb Mo W Others

Ni 6276 NiCr15Mo16Fe6W4 0,02 1,0 4,0 0,08 0,5 W50,0 2,5 — — 14,5 — 15,0 3,0 V 0,35

to 7,0 to 16,5 to 17,0 to 4,5 P 0,04
S 0,03
Ni 6452 NiCr20Mo15 0,01 1,0 1,5 0,1 0,5 W56,0 — — — 19,0 0,4 14,0 — V 0,4
to 21,0 to 16,0

Ni 6455 NiCr16Mo16Ti 0,01 1,0 3,0 0,08 0,5 W56,0 2,0 — 0,7 14,0 — 14,0 0,5 P 0,04

to 18,0 to 18,0 S 0,03
Ni 6625 NiCr22Mo9Nb 0,1 0,5 5,0 0,5 0,5 W58,0 — 0,4 0,4 20,0 3,2 8,0 — —
to 23,0 to 4,1 to 10,0

Ni 6650 NiCr20Fe14Mo11WN 0,03 0,5 12,0 0,5 0,3 W44,0 1,0 0,05 to — 19,0 0,05 9,5 0,5 N 0,05

to 16,0 0,50 to 21,0 to 0,50 to 12,5 to 2,5 to 0,20;
S 0,010
V 0,30
Ni 6660 NiCr22Mo10W3 0,03 0,5 2,0 0,5 0,3 W58,0 0,2 0,4 0,4 21,0 0,2 9,0 2,0 —
to 23,0 to 11,0 to 4,0

Ni 6686 NiCr21Mo16W4 0,01 1,0 5,0 0,08 0,5 W49,0 — 0,5 0,25 19,0 — 15,0 3,0 S 0,02

to 23,0 to 17,0 to 4,4
Ni 7725 NiCr21Mo8Nb3Ti 0,03 0,3 W8,0 0,20 — 55,0 — 0,35 1,0 19,0 2,75 7,0 — —
to 59,0 to 1,7 to 22,5 to 4,00 to 9,5
Nickel-Chromium-Cobalt

Ni 6160 NiCr28Co30Si3 0,02 1,0 3,5 2,4 0,5 W30,0 27,0 0,40 0,2 26,0 0,3 0,7 0,5 P 0,03

to 0,10 to 3,0 to 32,0 to 0,6 to 29,0

Ni 6617 NiCr22Co12Mo9 0,05 1,0 3,0 1,0 0,5 W44,0 10,0 0,8 0,6 20,0 — 8,0 0,5 P 0,03

to 0,15 to 15,0 to 1,5 to 24,0 to 10,0
Ni 7090 NiCr20Co18Ti3 0,13 1,0 1,5 1,0 0,2 W50,0 15,0 1,0 2,0 18,0 — — —
to 18,0 to 2,0 to 3,0 to 21,0
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SIST EN ISO 18274:2012
ISO 18274:2010(E)
8 © ISO 2010 – All rights reserved
Table 1 (continued)
Alloy symbols Chemical composition, % (by mass)
b c d, e
Numerical Chemical C Mn Fe Si Cu Ni Co Al Ti Cr Nb Mo W Others

Ni 7263 NiCr20Co20Mo6Ti2 0,04 0,6 0,7 0,4 0,2 W47,0 19,0 0,3 1,9 19,0 — 5,6 — Al+Ti 2,4

to 0,08 to 21,0 to 0,6 to 2,4 to 21,0 to 6,1 to 2,8,
S u0,007,
Ag u0,000 5,
B u0,005,
Bi u0,000 1
Nickel-Chromium-Tungsten

Ni 6231 NiCr22W14Mo2 0,05 0,3 3,0 0,25 0,50 W48,0 5,0 0,2 — 20,0 —— 1,0 13,0 P 0,03

to 0,15 to 1,0 to 0,75 to 0,5 to 24,0 to 3,0 to 15,0
Any other agreed composition

Any other agreed composition with a minimum nickel content greater than the minimum value for any other element

Ni Z
Single values for all elements are maxima except where the W sign is used.

Up to 1 % (by mass) of the nickel content can be cobalt unless otherwise specified. For certain applications, lower cobalt levels may be required and should be agreed between contracting

parties.
Up to 20 % (by mass) of the niobium content can be tantalum.
The total of unspecified elements shall not exceed 0,5 % (by mass).

Phosphorus 0,020 % (by mass) maximum and sulfur 0,015 % (by mass) maximum unless otherwise stated.

Ag u 0,000 5 % (by mass), B u0,020 % (by mass), Bi u0,000 1 % (by mass), Pb u0,002 0 % (by mass), Zr u0,15 % (by mass).

Consumables for which the chemical composition is not listed shall be symbolized similarly and prefixed by the letters Ni Z. The chemical composition ranges are not specified and it is

possible that two electrodes with the same Z-classification are not interchangeable.

NOTE Corresponding national classifications are shown in Annex C.
---------------------- Page: 20 ----------------------
SIST EN ISO 18274:2012
ISO 18274:2010(E)
5 Mechanical properties of the weld metal
Mechanical properties of the weld metal are not part of the classification.

NOTE Information on typical weld metal tensile strengths, where they exist, can be found in Annex C.

6 Chemical analysis

Chemical analysis shall be performed on specimens of the product or the stock from which it is made. Any

analytical technique can be used, but in case of dispute, reference shall be made to established published

methods, agreed between the contracting parties.

NOTE 1 The shielding gas or flux can influence the chemical composition of the all-weld metal as compared to the

chemical analysis of the product or stock.
NOTE 2 See Annex B.
7 Rounding procedure

For purposes of determining compliance with the requirements of this International Standard, the actual test

values obtained shall be subjected to the rounding rules of ISO 80000-1:2009, Annex B, Rule A. If the

measured values are obtained by equipment calibrated in units other than those of this International Standard,

the measured values shall be converted to the units of this International Standard before rounding. If an

average value is to be compared to the requirements of this International Standard, rounding shall be done

only after calculating the average. In the case where the testing standard cited in the normative references of

this International Standard contains instructions for rounding that conflict with the instructions of this

International Standard, the rounding requirements of the testing standard shall apply. The rounded results

shall fulfil the requirements of the appropriate table for the classification under test.

8 Retest

If any test fails to meet the requirement, that test shall be repeated twice. The results of both retests shall

meet the requirement. Specimens for the retest may be taken from the original test sample or from a new test

sample. For chemical analysis, retest need only be for those specific elements that failed to meet their test

requirement. If the results of one or both retests fail to meet the requirement, the material under test shall be

considered as not meeting the requirements of this International Standard for that classification.

In the event that, during preparation or after completion of any test, it is clearly determined that prescribed or

proper procedures were not followed in preparing the weld test sample or test specimen(s), or in conducting

the tests, the test shall be considered invalid, without regard to whether the test was actually completed or

whether the test results met, or failed to meet, the requirement. That test shall be repeated, following proper

prescribed procedures. In this case, the requirement for doubling the number of test specimens does not

apply.
9 Technical delivery conditions

Technical delivery conditions shall meet the requirements of ISO 544 and ISO 14344.

10 Designation

The designation of solid wire electrodes, solid strip electrodes, solid wires and solid rods shall follow the

principle given in the examples below.
© ISO 2010 – All rights reserved 9
---------------------- Page: 21 ----------------------
SIST EN ISO 18274:2012
ISO 18274:2010(E)

EXAMPLE 1 A solid wire (S) for gas shielded metal arc welding having a chemical composition within the limits for the

alloy symbol 6625 (NiCr22Mo9Nb) of Table 1 is designated:
ISO 18274 – S Ni 6625
or alternatively
ISO 18274 – S Ni 6625 (NiCr22Mo9Nb)
EXAMPLE 2 A solid rod (S) for gas tungsten arc welding is designated:
ISO 18274 – S Ni 6625
...

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