CEN ISO/TR 20172:2009

SLOVENSKI STANDARD
01-december-2013
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SIST-TP CEN ISO/TR 20172:2006
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Welding - Grouping systems for materials - European materials (ISO/TR 20172:2009)
Schweißen - Werkstoffgruppeneinteilung - Europäische Werkstoffe (ISO/TR 20172:2009)
Soudage - Systèmes de groupement des matériaux - Matériaux européens (ISO/TR
20172:2009)
Ta slovenski standard je istoveten z: CEN ISO/TR 20172:2009
ICS:
25.160.20 Potrošni material pri varjenju Welding consumables
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

TECHNICAL REPORT
CEN ISO/TR 20172
RAPPORT TECHNIQUE
TECHNISCHER BERICHT
June 2009
ICS 25.160.20 Supersedes CEN ISO/TR 20172:2006
English Version
Welding - Grouping systems for materials - European materials
(ISO 20172:2009)
Soudage - Systèmes de groupement des matériaux - Schweißen - Werkstoffgruppeneinteilung - Europäische
Matériaux européens (ISO 20172:2009) Werkstoffe (ISO 20172:2009)
This Technical Report was approved by CEN on 30 May 2009. It has been drawn up by the Technical Committee CEN/TC 121.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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
© 2009 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN ISO/TR 20172:2009: E
worldwide for CEN national Members.

Contents Page
Foreword .3
Foreword
This document (CEN ISO/TR 20172:2009) has been prepared by Technical Committee CEN/TC 121
“Welding", the secretariat of which is held by DIN, in collaboration with Technical Committee ISO/TC 44
"Welding and allied processes".
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 CEN ISO/TR 20172:2006.
TECHNICAL ISO/TR
REPORT 20172
Second edition
2009-06-15
Welding — Grouping systems for
materials — European materials
Soudage — Systèmes de groupement des matériaux — Matériaux
européens
Reference number
ISO/TR 20172:2009(E)
©
ISO 2009
ISO/TR 20172:2009(E)
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ii © ISO 2009 – All rights reserved

ISO/TR 20172:2009(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 International grouping system for European materials. 2
2.1 Types of steel in accordance with the grouping system of ISO/TR 15608:2005, Table 1 . 2
2.2 Types of aluminium and aluminium alloy in accordance with the grouping system of
ISO/TR 15608:2005, Table 2 . 21
2.3 Types of copper and copper alloy in accordance with the grouping system of
ISO/TR 15608:2005, Table 3 . 23
2.4 Types of cast iron in accordance with the grouping system of ISO/TR 15608:2005, Table 7 . 25
2.5 Types of cast iron in accordance with the grouping system of ISO/TR 15608:2005, Table 7,
additional . 27
Bibliography . 29

ISO/TR 20172:2009(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.
In exceptional circumstances, when a technical committee has collected data of a different kind from that
which is normally published as an International Standard ("state of the art", for example), it may decide by a
simple majority vote of its participating members to publish a Technical Report. A Technical Report is entirely
informative in nature and does not have to be reviewed until the data it provides are considered to be no
longer valid or useful.
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/TR 20172 was prepared by the European Committee for Standardization (CEN) Technical Committee
CEN/TC 121, Welding, in collaboration with Technical Committee ISO/TC 44, Welding and allied processes,
Subcommittee SC 10, Unification of requirements in the field of metal welding, in accordance with the
Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
This second edition cancels and replaces the first edition (ISO/TR 20172:2006), which has been technically
revised.
iv © ISO 2009 – All rights reserved

ISO/TR 20172:2009(E)
Introduction
This Technical Report reflects the situation in November 2007. Changes in European material standards will
be taken into account in the next revision of this Technical Report.
Lists of former designations can be found in the relevant European materials standards.
For the materials not listed in this Technical Report, ISO/TR 20173:2005 and ISO/TR 20174:2005 are
applicable.
TECHNICAL REPORT ISO/TR 20172:2009(E)

Welding — Grouping systems for materials — European
materials
1 Scope
This Technical Report establishes a European grouping system for materials for welding purposes, classified
in accordance with the grouping system of ISO/TR 15608.
It is also applicable for other purposes such as heat treatment, forming and non-destructive testing.
This Technical Report covers grouping systems for the following standardized materials:
a) steel;
b) aluminium and its alloys;
c) copper and its alloys;
d) cast irons.
In case of dispute, for example where variations in properties such as thickness and yield strength occur,
ISO/TR 15608 applies.
ISO/TR 20172:2009(E)
2 International grouping system for European materials
2.1 Types of steel in accordance with the grouping system of ISO/TR 15608:2005, Table 1
See Table 1.
Table 1 — Steel materials, classification according to the grouping of material
Designation
Group Standard(s)
Name Number
10CrMo5-5 1.7338 5.1 EN 10216-2
10CrMo9-10 1.7380 5.2 EN 10028-2, EN 10216-2, EN 10273
EN 10028-2, EN 10216-2,
11CrMo9-10 1.7383 5.2
EN 10222-2, EN 10273
11MnNi5-3 1.6212 9.1 EN 10028-4, EN 10216-4
EN 10028-4, EN 10216-4,
12Ni14 1.5637 9.2
EN 10222-3
12Ni19 1.5680 9.2 EN 10028-4
EN 10028-2, EN 10216-2,
13CrMo4-5 1.7335 5.1
EN 10222-2, EN 10273
EN 10028-4, EN 10216-4,
13MnNi6-3 1.6217 9.1
EN 10222-3
14MoV6-3 1.7715 6.1 EN 10216-2, EN 10222-2
15MnCrMoNiV5-3 1.6920 4.1 EN 10222-2
15MnMoV4-5 1.5402 1.2 EN 10222-2
15NiCuMoNb5-64 1.6368 4.2 EN 10216-2
15NiMn6 1.6228 9.1 EN 10028-4, EN 10222-3
16MnCr5 1.7131 1.4 EN 10132-2
EN 10222-2, EN 10216-2,
16Mo3 1.5415 1.1 EN 10217-2, EN 10217-5, EN 10273,
EN 10028-2
17Cr3 1.7016 1.4 EN 10132-2
18MnMoNi5-5 1.6308 4.1 EN 10222-2
20CrMoV13-5-5 1.7779 6.3 EN 10216-2
20Mn5 1.1133 1.4 EN 10250-2
20MnB5 1.5353 3.2 EN 10083-3
20MnNb6 1.0471 1.2 EN 10216-2
20NiCrMo2-2 1.6523 4.1 EN 10297-1
20NiCrMoS2-2 1.6526 4.1 EN 10297-1
24CrMo13-6 1.8516 5.2 EN 10085
EN 10083-3, EN 10132-2,
25CrMo4 1.7218 5.1
EN 10216-2, EN 10297-1
25CrMoS4 1.7213 5.1 EN 10083-3, EN 10277-5
25Mn4 1.1177 1.3 EN 10132-2
2 © ISO 2009 – All rights reserved

ISO/TR 20172:2009(E)
Table 1 (continued)
Designation
Group Standard(s)
Name Number
26CrMo4-2 1.7219 5.1 EN 10216-4
27MnCrB5-2 1.7182 11.1 EN 10083-3
28Mn6 1.1170 1.4 EN 10083-2, EN 10250-2
30CrMo4 1.7216 5.1 EN 10297-1
30MnB5 1.5531 11.1 EN 10083-3
30NiCrMo16-6 1.6747 9.2 EN 10083-3
31CrMo12 1.8515 5.2 EN 10085
31CrMoV9 1.8519 6.2 EN 10085
32CrAlMo7-10 1.8505 5.1 EN 10085
33CrMoV12-9 1.8522 6.2 EN 10085
34Cr4 1.7033 5.2 EN 10083-3
34CrAlMo5-10 1.8507 5.1 EN 10085
34CrAlNi7-10 1.8550 5.1 EN 10085
EN 10083-3, EN 10132-2,
34CrMo4 1.7220 5.1
EN 10297-1
34CrMoS4 1.7226 11.2 EN 10083-3
34CrNiMo6 1.6582 4.2 EN 10277-5
34CrS4 1.7037 5.1 EN 10083-3
35NiCr6 1.5815 9.1 EN 10083-3
36NiCrMo16 1.6773 9.2 EN 10083-3
37Cr4 1.7034 5.1 EN 10083-3
37CrS4 1.7038 5.1 EN 10083-3
38Cr2 1.7003 5.1 EN 10083-3
38Mn6 1.1127 11.2 EN 10297-1
39MnCrB6-2 1.7189 5.1 EN 10083-3
39NiCrMo3 1.6510 9.2 EN 10083-3
40CrMoV13-9 1.8523 6.2 EN 10085
41Cr4 1.7035 11.2 EN 10083-3
41CrAlMo7-10 1.8509 5.1 EN 10085
41CrS4 1.7039 11.2 EN 10083-3
EN 10083-3, EN 10132-2,
42CrMo4 1.7225 5.1
EN 10297-1
42CrMoS4 1.7227 5.1 EN 10083-3, EN 10277-5
46Cr2 1.7006 5.1 EN 10083-3
50CrMo4 1.7228 5.1 EN 10083-3
51CrV4 1.8159 6.1 EN 10083-3
8MoB5-4 1.5450 1.3 EN 10216-2
ISO/TR 20172:2009(E)
Table 1 (continued)
Designation
Group Standard(s)
Name Number
C10 1.0301 1.1 EN 10277-2
C10E 1.1121 1.1 EN 10132-2, EN 10297-1
C15 1.0401 1.1 EN 10277-2
C15E 1.1141 1.1 EN 10132-2, EN 10297-1
C15R 1.1114 1.1 EN 10297-1
C16 1.0407 1.1 EN 10277-2
C22 1.0402 1.2 EN 10250-2
EN 10132-2, EN 10083-2,
C22E 1.1151 1.1
EN 10297-1
C22R 1.1149 1.1 EN 10083-2
C25 1.0406 1.2 EN 10250-2
C25E 1.1158 1.2 EN 10250-2
C30 1.0528 11.1 EN 10250-2
C30E 1.1178 11.1 EN 10132-2
EN 10083-2, EN 10250-2,
C35 1.0501 11.1
EN 10277-2
EN 10083-2, EN 10250-2,
C35E 1.1181 11.1 EN 10297-1, EN 10132-2,
EN 10277-5
C35R 1.1180 11.1 EN 10277-5
C35R 1.1180 11.2 EN 10083-2
EN 10083-2, EN 10250-2,
C40 1.0511 11.2
EN 10277-2
EN 10083-2, EN 10132-2,
C40E 1.1186 11.2
EN 10277-5
C40R 1.1189 11.2 EN 10083-2, EN 10277-5
EN 10083-2, EN 10250-2,
C45 1.0503 11.2
EN 10277-2
EN 10083-2, EN 10250-2,
C45E 1.1191 11.2
EN 10297-1, EN 10132-2
C45R 1.1201 11.2 EN 10083-2, EN 10277-5
C50 1.0540 11.2 EN 10250-2, EN 10277-2
C50E 1.1206 11.2 EN 10132-2, EN 10277-5
C50E 1.1206 11.3 EN 10083-2
C50R 1.1241 11.2 EN 10083-2, EN 10277-5
C55 1.0535 11.3 EN 10250-2,
...