SIST EN ISO 17632:2016

SLOVENSKI STANDARD
oSIST prEN ISO 17632:2013
01-december-2013
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Welding consumables - Tubular cored electrodes for gas shielded and non-gas shielded
metal arc welding of non-alloy and fine grain steels - Classification (ISO/DIS 17632:2013)
Schweißzusätze - Fülldrahtelektroden zum Metall-Lichtbogenschweißen mit und ohne
Schutzgas von unlegierten Stählen und Feinkornstählen - Einteilung (ISO/DIS
17632:2013)
Produits consommables pour le soudage - Fils-électrodes fourrés pour soudage à l'arc
avec ou sans gaz de protection des aciers non alliés et des aciers à grains fins -
Classification (ISO/DIS 17632:2013)
Ta slovenski standard je istoveten z: prEN ISO 17632
ICS:
25.160.20 Potrošni material pri varjenju Welding consumables
oSIST prEN ISO 17632:2013 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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oSIST prEN ISO 17632:2013

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oSIST prEN ISO 17632:2013
DRAFT INTERNATIONAL STANDARD
ISO/DIS 17632
ISO/TC 44/SC 3 Secretariat: ANSI
Voting begins on: Voting terminates on:
2013-09-12 2014-02-12
Welding consumables — Tubular cored electrodes for gas
shielded and non-gas shielded metal arc welding of non-
alloy and fine grain steels — Classification
Produits consommables pour le soudage — Fils-électrodes fourrés pour soudage à l’arc avec ou sans gaz de
protection des aciers non alliés et des aciers à grains fins — Classification
[Revision of first edition (ISO 17632:2004)]
ICS: 25.160.20
ISO/CEN PARALLEL PROCESSING
This draft has been developed within the International Organization for
Standardization (ISO), and processed under the ISO lead mode of collaboration
as defined in the Vienna Agreement.
This draft is hereby submitted to the ISO member bodies and to the CEN member
bodies for a parallel five month enquiry.
Should this draft be accepted, a final draft, established on the basis of comments
received, will be submitted to a parallel two-month approval vote in ISO and
THIS DOCUMENT IS A DRAFT CIRCULATED
formal vote in CEN.
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
To expedite distribution, this document is circulated as received from the
IN ADDITION TO THEIR EVALUATION AS
committee secretariat. ISO Central Secretariat work of editing and text
BEING ACCEPTABLE FOR INDUSTRIAL,
composition will be undertaken at publication stage.
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 17632:2013(E)
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 SUPPORTING DOCUMENTATION. ISO 2013

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oSIST prEN ISO 17632:2013
ISO/DIS 17632:2013(E)

Copyright notice
This ISO document is a Draft International Standard and is copyright-protected by ISO. Except as
permitted under the applicable laws of the user’s country, neither this ISO draft nor any extract
from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means,
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Requests for permission to reproduce should be addressed to either ISO at the address below or ISO’s
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ii © ISO 2013 – All rights reserved

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oSIST prEN ISO 17632:2013
ISO/DIS 17632
Contents Page
Foreword . iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Classification . 2
4 Symbols and requirements . 4
4.1 Symbol for the product/process . 4
4.2 Symbol for tensile properties of all-weld metal or welded joint . 4
4.2.1 Multi-run technique . 4
4.2.2 Single-run technique . 5
4.3 Symbol for impact properties of all-weld metal or welded joint . 5
4.4 Symbol for chemical composition of all-weld metal . 6
4.5 Symbol for type of electrode core or for the usability characteristics of the electrode . 9
4.6 Symbol for shielding gas . 10
4.7 Symbol for welding position . 13
4.8 Symbol for hydrogen content of deposited metal . 13
4.9 Symbol for condition of postweld heat treatment of all-weld metal. 14
5 Mechanical tests . 14
5.1 Multi-run technique . 14
5.1.1 Preheating and interpass temperatures . 14
5.1.2 Procedure requirements for welding multi-run test assemblies. . 15
5.1.3 Post-weld heat treatment (PWHT) condition . 16
5.2 Single-run technique . 16
6 Chemical analysis . 16
7 Rounding procedure . 16
8 Fillet weld test . 16
9 Retests . 17
10 Technical delivery conditions . 17
11 Examples of designation . 18
Annex A (informative) Classification systems .20
Annex B (informative) Description of types of electrode core in the classification system based
upon yield strength and average impact energy of 47 J . 23
Annex C (informative) Description of types of usability characteristics in the classification system
based upon tensile strength and average impact energy of 27 J . 25
Annex D (informative) Notes on hydrogen content . 28


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oSIST prEN ISO 17632:2013
ISO/DIS 17632
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 17632 was prepared by Technical Committee ISO/TC 44, Welding and allied processes, Subcommittee
SC 3, Welding consumables.
This second/third/. edition cancels and replaces the first/second/. edition (), [clause(s) / subclause(s) /
table(s) / figure(s) / annex(es)] of which [has / have] been technically revised.
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oSIST prEN ISO 17632:2013
ISO/DIS 17632
Introduction
This International Standard provides a classification system for tubular cored electrodes in terms of tensile
properties, impact properties, chemical composition of the all-weld metal, type of electrode core, shielding gas
and welding position. The ratio of yield to tensile strength of weld metal is generally higher than that of parent
metal. Users should note that matching weld metal yield strength to parent metal yield strength will not
necessarily ensure that the weld metal tensile strength matches that of the parent metal. Where the
application requires matching tensile strength, therefore, selection of the consumable should be made by
reference to column 3 of Table 1A or Table 1B.
It should be noted that the mechanical properties of all-weld metal test specimens used to classify the tubular
cored electrodes will vary from those obtained in production joints because of differences in welding
procedure such as electrode size, width of weave, welding position and parent metal composition.
The classification according to system A is mainly based on EN 758:1997, Welding consumables — Tubular
cored electrodes for metal arc welding with and without a gas shield of non alloy and fine grain steels —
Classification. The classification according to system B is mainly based upon standards used around the
Pacific Rim.

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oSIST prEN ISO 17632:2013

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oSIST prEN ISO 17632:2013
DRAFT INTERNATIONAL STANDARD ISO/DIS 17632

Welding consumables — Tubular cored electrodes for gas
shielded and non-gas shielded metal arc welding of non-alloy
and fine grain steels — Classification
1 Scope
This International Standard specifies requirements for classification of tubular cored electrodes with or without
a gas shield for metal arc welding of non-alloy and fine grain steels in the as-welded condition or in the post-
weld heat-treated condition with a minimum yield strength of up to 500 MPa or a minimum tensile strength of
up to 570 MPa. One tubular cored electrode can be tested and classified with different shielding gases, if any.
This International Standard is a combined specification providing classification utilizing a system based upon
the yield strength and the average impact energy of 47 J of all-weld metal, or utilizing a system based upon
the tensile strength and the average impact energy of 27 J of all-weld metal.
1) Paragraphs and tables which carry the suffix letter “A” are applicable only to tubular cored electrodes
classified to the system based upon the yield strength and the average impact energy of 47 J of all-
weld metal in accordance with this International Standard.
2) Paragraphs and tables which carry the suffix letter “B” are applicable only to tubular cored electrodes
classified to the system based upon the tensile strength and the average impact energy of 27 J of all-
weld metal in accordance with this International Standard.
3) Paragraphs and tables which have neither the suffix letter “A” nor the suffix letter “B” are applicable
to all tubular cored electrodes classified in accordance with this International Standard.
It is recognized that the operating characteristics of tubular cored electrodes can be modified by the use of
pulsed current, but for the purposes of this International Standard, pulsed current is not permitted for
determining the electrode classification.
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 3690, Welding and allied processes -- Determination of hydrogen content in arc weld metal
ISO 6847, Welding consumables -- Deposition of a weld metal pad for chemical analysis
ISO 6947:2011, Welding and allied processes -- Welding positions
ISO 13916, Welding — Guidance on the measurement of preheating temperature, interpass temperature and
preheat maintenance temperature
ISO 14175:2008, Welding consumables – Gases and gas mixtures for fusion welding and allied processes
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oSIST prEN ISO 17632:2013
ISO/DIS 17632
ISO 14344, Welding consumables – Procurement of filler materials and fluxes
ISO 15792-1:2000/ Amd 1:2011, Welding Consumables — Test methods — Part 1: Test methods for all-weld
metal test specimens in steel, nickel and nickel alloys
ISO 15792-2:2000, Welding Consumables — Test methods — Part 2: Preparation of single-run and two-run
technique test specimens in steel
ISO 15792-3, Welding Consumables — Test methods — Part 3: Classification testing of positional capacity
and root penetration of welding consumables in a fillet weld
ISO 80000-1:2009, Quantities and units — Part 1: General
3 Classification
Classification designations are based upon two approaches to indicate the tensile properties and the impact
properties of the all-weld metal obtained with a given electrode. The two designation approaches include
additional designators for some other classification requirements, but not all, as will be clear from the following.
In most cases, a given commercial product can be classified in both systems. Then either or both
classification designations can be used for the product. See Annex A.
The classification includes all-weld metal properties obtained with a tubular cored electrode and appropriate
shielding gas combination as given below. With the exception of the symbol for welding position which is
based on ISO 15792-3, the classification of gas shielded tubular cored electrodes is based on the 1,2 mm
electrode size or, if this size is not manufactured, the next larger diameter manufactured. The classification of
self-shielded tubular cored electrodes is based on the 2,4 mm diameter or the largest diameter manufactured
if less than 2,4 mm.
3.1A Classification by yield strength and 47 J 3.1B Classification by tensile strength and
impact energy 27 J impact energy
The classification is divided into eight parts: The classification is divided into nine parts:
1) the first part (T) indicates a tubular cored 1) the first part (T) indicates a tubular cored
electrode; electrode;
2) the second part gives a symbol indicating the 2) the second part gives a symbol indicating the
strength and elongation of all-weld metal for strength and elongation of all-weld metal for
multi-run technique or the strength of the parent multi-run technique or the strength of the parent
material used in classification for the single-run material used in classification for the single-run
technique (see Table 1A or Table 2A); technique (see Table 1B or Table 2B);
3) the third part gives a symbol indicating the 3) the third part gives a symbol indicating the
impact properties of all-weld metal or welded impact properties of all-weld metal (see
joint (see Table 3); Table 3). The symbol “U”, added as an optional
supplemental designator at or near the end of
the complete tubular cored electrode
designation, indicates that the deposit meets an
average optional requirement of 47 J at the
designated Charpy test temperature;
4) the fourth part gives a symbol indicating the 4) the fourth part gives a symbol indicating the
chemical composition of all-weld metal usability characteristics of the electrode
(see Table 4A); (see Table 5B);

5) the fifth part gives a symbol indicating the type 5) the fifth part gives a symbol indicating the
of electrode core (see Table 5A); welding position (see Table 6B);
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oSIST prEN ISO 17632:2013
ISO/DIS 17632
6) the sixth part gives a symbol indicating the 6) the sixth part gives a symbol indicating the
shielding gas (see 4.6); shielding gas (see 4.6). The letter “S” added to
this designator indicates that the electrode is
classified for single-pass welding;
7) the seventh part gives a symbol indicating the 7) the seventh part gives a symbol indicating
welding position (see Table 6A); whether the classification tests were conducted
in the as-welded (A) or post-weld heat-treated
condition (P). If the electrode has been
classified in both conditions, the symbol AP
shall be added to the classification. This
designator is omitted in the classification for
single-pass welding electrodes as these are
tested only in the as-welded condition;
8) the eighth part gives a symbol indicating the 8) the eighth part gives a symbol indicating the
hydrogen content of deposited metal (see chemical composition of all-weld metal
Table 7). (see Table 4B). The symbol is omitted for weld
deposits conforming to the “No symbol” in
Table 4B;

9) the ninth part gives a symbol indicating the
hydrogen content of deposited metal (see
Table 7).
Electrodes may be classified under any number of
classifications for either or both the as-welded and
post-weld heat-treated condition.
In both systems, the electrode classification shall include all compulsory sections and may include optional
sections as outlined below.
3.2A Compulsory and optional sections in 3.2B Compulsory and optional sections in
the classification by yield strength and 47 J the classification by tensile strength and 27 J
impact energy impact energy
a) Compulsory section a) Compulsory section
This section includes the symbols for type of This section includes the symbols for type of
product, strength and elongation, impact properties, product, strength and elongation in the as-welded
chemical composition, type of electrode core and condition or post-weld heat-treated condition,
shielding gas, i.e. the symbols defined in 4.1, welding positions for which the electrode is suitable,
4.2.1A, 4.2.2, 4.3A, 4.4, 4.5A and 4.6. usability characteristics, shielding gas, impact
properties and chemical composition, i.e. the
symbols defined in 4.1, 4.2.1B, 4.2.2, 4.3B, 4.4,
4.5B, 4.6, 4.7 and 4.9B.
b) Optional section b) Optional section
This section includes the symbols for the welding This section includes the symbol “U” to indicate that
positions for which the electrode is suitable and the the weld metal has an average of 47J impact energy
symbol for hydrogen content, i.e. the symbols at the classification test temperature and the symbol
defined in 4.7 and 4.8. for hydrogen content, i.e. the symbol “U” defined in
4.3B and the symbols defined in 4.8.
The full designation shall comprise the compulsory symbols and may include optional symbols chosen by the
manufacturer. The full designation (see Clause 10) shall be used on packages and in the manufacturer’s
literature and data sheets.
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oSIST prEN ISO 17632:2013
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4 Symbols and requirements
4.1 Symbol for the product/process
The symbol for the tubular cored electrode used in the metal arc welding process is the letter T.
4.2 Symbol for tensile properties of all-weld metal or welded joint
4.2.1 Multi-run technique
4.2.1A Classification by yield strength and 47 J 4.2.1B Classification by tensile strength and
impact energy 27 J impact energy
For products suitable for single- and multi-run For electrodes suitable for single- and multi-run
welding, the symbol in Table 1A indicates yield welding, the symbol in Table 1B indicates yield
strength, tensile strength and elongation of the all- strength, tensile strength and elongation of the all-
weld metal in the as-welded condition determined in weld metal in the as-welded condition or in the post-
accordance with 5.1A. weld heat-treated condition determined in
accordance with 5.1B.
Classification of products suitable for both single- and multi-run welding does not require the single-run test of
5.2.
Table 1A — Symbol for tensile properties by Table 1B — Symbol for tensile properties by
multi-run technique (classification by yield multi-run technique (classification by tensile
strength and 47 J impact energy) strength and 27 J impact energy)
Minimum yield Minimum Minimum yield Tensile Minimum
Tensile
a b a b
strength
Symbol strength strength elongation Symbol strength elongation
MPa MPa
MPa % MPa %
35 355 440 to 570 22
43 330 430 to 600 20
38 380 470 to 600 20
49 390 490 to 670 18
42 420 500 to 640 20
55 460 550 to 740 17
46 460 530 to 680 20
57 490 570 to 770 17
50 500 560 to 720 18
a a
For yield strength the lower yield, R , is used when For yield strength the lower yield, R , is used when yielding
eL eL
yielding occurs, otherwise the 0,2 % proof strength, R , is occurs, otherwise the 0,2 % proof strength , R , is used.
p0,2 p0,2
used.
b
Gauge length is equal to five times the test specimen
b
Gauge length is equal to five times the test specimen diameter.
diameter.
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oSIST prEN ISO 17632:2013
ISO/DIS 17632
4.2.2 Single-run technique
For tubular cored electrodes suitable for single-run welding only, the symbol in Table 2A or Table 2B indicates
strength of the welded joint in the as-welded condition in relation to the parent material used in single-run tests
satisfactorily completed in accordance with 5.2.
Table 2A — Symbol for tensile properties by Table 2B — Symbol for tensile properties by
single-run technique (classification by yield single-run technique (classification by tensile
strength and 47 J impact energy) strength and 27 J impact energy)
Minimum parent Minimum tensile
Minimum tensile strength of the parent
material yield strength of the
Symbol Symbol metal and of the welded joint
strength welded joint
MPa
MPa MPa
43 430
3T 355 470
49 490
4T 420 520
55 550
5T 500 600
57 570

4.3 Symbol for impact properties of all-weld metal or welded joint
4.3A Classification by yield strength and 47 J 4.3B Classification by tensile strength and
impact energy 27 J impact energy
The symbol in Table 3 indicates the temperature at The symbol in Table 3 indicates the temperature at
which an impact energy of 47 J is achieved under which an impact energy of 27 J is achieved in the
the conditions given in 5.1A or 5.2. Three test as-welded condition or in the post-weld heat-treated
specimens shall be tested. Only one individual value condition under the conditions given in 5.1B or 5.2.
may be lower than 47 J but no lower than 32 J. Five test specimens shall be tested. The lowest and
highest values obtained shall be disregarded. Two
of the three remaining values shall be greater than
the specified 27 J level, one of the three may be
lower but shall be no less than 20 J. The average of
the three remaining values shall be at least 27 J.
Three test specimens shall be tested when the
optional supplemental designator “U” is used to
indicate that the weld deposit will meet a minimum
impact energy of 47 J at the test temperature. The
impact value shall be determined by the average of
the three test specimens. The average of three
values shall be 47 J or greater. Only one individual
value may be lower than 47 J but no lower than
32 J.
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oSIST prEN ISO 17632:2013
ISO/DIS 17632
When an all-weld metal has been classified for a certain temperature, it automatically covers any higher
temperature listed in Table 3.
NOTE Impact testing is not required to classify electrodes for the single-run technique
Table 3 — Symbol for impact properties of all-weld metal or welded joint
Temperature for minimum
a,b c
average impact energy of 47 J or 27 J
Symbol
C
a No requirements
Z
b c  20
A or Y
0
0
 20
2
 30
3
 40
4
 50
5
6  60
7  70
8
 80
9
 90
10
 100
a
Only the symbol Z is used for electrodes for the single-run technique.
b
Classification by yield strength and 47 J impact energy.
c
Classification by tensile strength and 27 J impact energy.

4.4 Symbol for chemical composition of all-weld metal
The symbol in Table 4A or Table 4B indicates the chemical composition of all-weld metal determined in
accordance with Clause 6.

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oSIST prEN ISO 17632:2013
ISO/DIS 17632
Table 4A — Symbol for chemical composition of all-weld metal (classification by yield strength and 47 J impact energy)
a, b
Chemical composition (percentage mass fraction)
Composition
designation
c
C Mn Si P S Cr Ni Mo V Nb Cu
Al
No symbol — 2,0 — — — 0,2 0,5 0,2 0,08 0,05 2,0 0,3
Mo — 1,4 — — — 0,2 0,5 0,3 to 0,6 0,08 0,05 2,0 0,3
MnMo — 1,4 to 2,0 — — — 0,2 0,5 0,3 to 0,6 0,08 0,05 2,0 0,3
1Ni — 1,4 0,80 — — 0,2 0,6 to 1,2 0,2 0,08 0,05 2,0 0,3
1.5Ni — 1,6 — — — 0,2 1,2 to 1,8 0,2 0,08 0,05 2,0 0,3
2Ni — 1,4 — — — 0,2 1,8 to 2,6 0,2 0,08 0,05 2,0 0,3
3Ni — 1,4 — — — 0,2 2,6 to 3,8 0,2 0,08 0,05 2,0 0,3
Mn1Ni — 1,4 to 2,0 — — — 0,2 0,6 to 1,2 0,2 0,08 0,05 2,0 0,3
1NiMo — 1,4 — — — 0,2 0,6 to 1,2 0,3 to 0,6 0,08 0,05 2,0 0,3
d
Any other agreed composition
Z
a
Single values shown in the table are maximum values.
b
Analysis for boron is required if intentionally added, or if known to be present at levels greater than 0,0010%
c
Self-shielded electrodes only.
d
Consumables for which the chemical composition is not listed in this table shall be symbolized similarly and prefixed by the letter Z. The chemical composition ranges are not specified and
therefore it is possible that two electrodes with the same Z classification are not interchangeable.

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oSIST prEN ISO 17632:2013
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Table 4B — Symbol for chemical composition of all-weld metal (Classification by tensile strength and 27 J impact energy)
a, b
Chemical composition (percentage mass fraction)
Composition
designation
c
C Mn Si P S Cr Ni Mo Cu V Al
d e f e
No symbol 0,18 2,00 0,90 0,030 0,030 0,20 0,50 e 0,30 — 0,08 2,0
e e f e
K 0,20 1,60 1,00 0,030 0,030 0,20 0,50 0,30 — 0,08 —
2M3 0,12 1,50 0,80 0,030 0,030 — — 0,40 to 0,65 — — 1,8
3M2 0,15 1,25 to 2,00 0,80 0,030 0,030 — — 0,25 to 0,55 — — 1,8
N1 0,12 1,75 0,80 0,030 0,030 — 0,30 to 1,00 0,35 — — 1,8
N2 0,12 1,75 0,80 0,030 0,030 — 0,80 to 1,20 0,35 — — 1,8
N3 0,12 1,75 0,80 0,030 0,030 — 1,00 to 2,00 0,35 — — 1,8
N5 0,12 1,75 0,80 0,030 0,030 — 1,75 to 2,75 — — — 1,8
N7 0,12 1,75 0,80 0,030 0,030 — 2,75 to 3,75 — — — 1,8
CC 0,12 0,60 to 1,40 0.20 to 0.80 0,030 0,030 0,30 to 0,60 — — 0,20 to 0,50 —
...