en 1043-1~hardness test

Destructive tests on welds in metallic materials. Hardness testing

Part 1. Hardness test on arc welded joints

The European Standard EN 1043-1 : 1996 has the status of a British Standard

ICs 25.160.40

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BS EN 1043-1 : 1996

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CEN ENxLO43-L 95 3404589 0333235 797

Amd. No. Date

BS EN 1043-1 : 1996

Text a f f m

Committees responsible for this British Standard The preparation of this British standard was entrusted to Techniai Committee WEEt2, upon which the foliowing bodies were represented:

Auminium Federation Association of Consuing Scientists British Constructionai Steelwork Association IM. British h n and Steel Producers Association Electncity Association Heaith and Safety Executive Institution of Structurai Engineers Lloyds Register of Shipping Ministry of Defence Power Generation Contractors Association (PGCA (BEAMA Ltd.)) 1w1 Welding Manufacturers Association (BEAMA IM.)

This British Standard, having been prepared under the &tion of the Engineering Sector Board, was published under the authority of the Standards Board and comes into effect on 15 August 1996

o E s 1 1996

The following BSI references relate to the work on this stan- Committee reference WEC2 Draft for comment 9W5235 Dc

ISBN O 680 25595 6



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CEN E N * 1 0 4 3 - 1 95 3404589 0333236 623 BS EN 1043-1 : 1996

Contents

page Committees responsible h i d e front cover National foreword ii Foreword 2 Text of EN 10431 3



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CEN EN*I,043-L 95 3404589 OL33217 5bT

BS EN 1043-1 : 1996

National foreword

This British Standard has been prepared by Technicd Committee WEW2 and is the English ianguage version of 10431 : 1996 Destructive tests on welds in metallic materials - Purt 1: H u m l m test on arc weldedjoints published by the European Committee for Standardization (CEN). EN 10431 was produced as a result of intemational discussions in which the United Kingdom took an active part. BS EN 1043 : Part 1 : 1996 supersedes tests detailed in BS 709 : 1993 which have been deleted by amendment.

Cross-references Publication referred to prEN 10432 : 1996

Corresponding British Standard

BS EN 1043 Destructive tests on welds in metulic

Part 2l): Micro hardness testing on welded joints BS EN loo03 Metauic materials. BriwU hamlness test Part 1: 1995 Test method

materials - H C ~ ~ ~ T E S S test

EN loo031 : 1994

Compliance with a British Standard does not of itself confer immunity from legal obligations.

1) in preparation.

ii O BSI 1996 Copyright European Committee for Standardization Provided by IHS under license with CEN Licensee=tetra pak/5944566001


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95 3 4 0 4 5 8 9 0333238 4Tb

EN 1043-1

December 1995

ICs 25.160.40

Descriptors: Welded, welded joints, metais, hardness tests, Vickers hardness

English version

Destructive tests on welds in metallic materials- Haandness testing- Part 1: Hadnes test on arc welded joints

Essais destruct& des soudures sur matriaux mtalliques - Essai de duret - Parie 1: Essai

zerstrende pnifung an SchweiBnahten an metallischen Werkstoffen - Hrt~pnlfung -

Lichtbogenschweiverbindungen de duret des assemblages souds larc Teil 1: HrtpIafung nir

This European Standard was approved by CEN on 199511-24. CEN members are bound to comply with the CENKENELEC Intemal Regulations which stipuiate the conditions for giving this European Standard the status of a national stanard without any alteration. U p m e lists and bibliographical references concerning such national standards may be obtained on application to the Centrai Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, G e m ) . A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the srune status as the official versions. CEN members are the mtional standards bodies of Austria, Belgium, Denmark, Finiand, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.

European Committee for Standardization Comit Europen de Nornialisation Europisches Komitee fr Normung

Centrai Secretariat: rue de Stassart 36, B-1050 Brussels

O 1995 Ail rights of reproduction and communication in any form and by any means reserved in ail countries to CEN and its members

Ref. No. EN 10431 : 1995 E



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CEN E N * 1 0 4 3 - 1 95 m 3404589 0133219 332 Page 2 EN 1043-1: 1995

Foreword

This European Standard has been prepared by the Technical Committee CENirC 121, Welding, of which the secretariat is held by DS. 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 1996, and conflicting national standards shall be withdram at the latest by June 1996. According to the CEN/CENELEC Internal Regulations, the following countries are bound to implement this European Sta,nm Austria, Belgium, Denmark, Finiand, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugai, Spain, Sweden, Switzerland, United Kingdom.

Contents

Foreword 1 2 3 4 5 6 6.1 6.2 7 8

Scope Normative references Principle Denominations and symbols Preparation of test specimens Test procedure Rows of indentations (R) Individuai indentations (E) Test results Test report

Annex A ( i o d v e ) Hardness testing (R) on welded joints Annex B (informative) Hardness testing (E) on welded joints

page 2 3 3 3 3 3 3 3 4 4 4

16

17

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CEN EN*1043-1 95 = 3404589 0133220 054

1 Scope This standard specifies hardness tests on transverse sections of arc welded joints of metallic materials. It covers Vickers hardness tests in accordance with Is0 6507-1, normally with test loads of 49 N or 98 N (IV 5 or HV 10). However, the principles may be applied to Brinell harness testing (with appropriate testing loads of HB 2,5/15,625 or HEI l/2,5) in accordance with EN 1OOO3-1 and micro hardness testing in accordance

Testing should be carried out to ensure that the highest and the lowest level of hardness of both parent metal and weld metal is determined. The type and extent of testing shall be as specified by the relevant application standard or by agreement between the contracting parties.

with IS0 6507-2 and EN 10432.

2 Normative references This European Standard incorporates, by dated or undated reference, provisions from other publications. These nolinative references axe cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies.

prEN 10432 Destructive test on welds in metallic materiais - Hamlness testing - Part 2: Micro hardness testing MetauiC m a w - BrineU haxhwss test - Part 1: Test method Metallic matemals - Hardness test - Vickers test- Part 1: HV5 to Hv100 Metallic materiais - Hardness test - Vickers test - Part 2: Hv0,2 to leSS than H V 5

EN 1OOO3-1

IS0 6507-1

IS0 6507-2

3 Principle Hardness testing shall be carried out in accordance with IS0 6507-1, IS0 6507-2 or EN 1OOO3-1. The hardness tests may be carried out in the form of rows of indentations, R, or as individual indentations, E. When types of weld are not shown in the examples in figures 1 and 2, the test procedure shail be appropriate to the welded joint. Unless otherwise specified, the test shall be carried out at ambient temperature (23 f 5) "C.

Page 3 EN 1043-1: 1995

4 Denominations and symbols The denominations and symbols to be used are specified in table 1 and represented on figures 1 to 8.

%le 1. Denominationsand symbols Symbol I Denomination E R HV HB L

H

t

individual indentation Row of indentation Vckers hardness Brinell hardness Distance between the centrepoint of the indentations in heat affected zone Distance of rows of indentations from the reference h e (surface or fusion line) Thickness of test specimen

Unit

The unit of symbolisation for Vickers hardness is given in SO 6507-1 or IS0 6507-2. 2, The unit of symbolisation for Brinell hardness is given in EN 1OOO3-1.

5 Preparation of test specimens The preparation of the test specimen shall be in accordance with IS0 6507-1, IS0 6507-2 or EN 100031. A cross-section of test piece shall be taken by mechanical cutting, usually transverse to the welded joint. This operation and the subsequent preparation of the surface shall be carried out carefully so that the hardness of the surface to be tested is not affected metaurgidy. The surface to be tested shall be properly prepared and preferably etched, so that accurate measurements of the dmgonal of the indentations can be achieved in the different zones of the welded joint.

6 Wst procedure 6.1 Rows of indentations (R) Figures 1 to 7 give examples of hardness indentations made in rows including the distance from the surface so that these rows or parts of them permit an assessment of the welded joint. If required by the contracting parties, additional rows of indentations and/or different locations may be made. The location shai be stated in the test report. In metals such as aluminium, copper and their alloys, the rows on the root-side of butt welds (see figure Ba) are not necessary. 'spical rows for T-joints in these materiais are given in figure 2.



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CEN E N * 1 0 4 3 - 1 95 3404589 0133221 T90 = Page 4 EN 1043-1: 1995

Ferrous metals2)

The number and spacing of indentations shall be sufficient to define hardened or softened regions due to welding. The recommended distance between the centrepoint of the indentations in the heat affected zone (HAZ) is given in table 2. NOTE 1. Table 2 also applies to the Brinell testing using the same distances, provided appropriate loads are used. Sufficient indentations shall be mae to ensure that unaffected parent metal is tested. In the weld metal, the distance between indentations sha be selected and checked so that the results obtained will enable assessment of the welded joint to be made. For metais which harden in the HAZ as a result of welding, two additional indentations in the HAZ shall be made at a distance of 5 0,5 mm between the centrepoint of the indentation and the fusion h e (see figures 3 to 7). For other joint configurations or metals (e.g. austenitic steels) special requirements can be given by the relevant application standard or by agreement between the contracting parties.

Aluminium, copper and their alloys

a b l e 2. Recommended distance, L, between the centrepoint of the indentations in the heat affected zone (HAZ)

097 1 not applicable not applicable

Hardness symbol

2,5 to 5 3 t o 5 2,5 to 5 3 to 5

H v 5 Hv 10 HB 1-2,5 HB 2,5/15,625 ') The distance of any indentation from the previous indentation shall not be less than the value allowed for the previous indentation by IS0 6507-1. 2, Excluding austenitic steels.

NOTE 2. For electroslag welds, the loads of table 2 may be used. Rows of indentations for electroclag welds can be made similar to figure la. 6.2 Individual indentations (E) Figure 8 shows typicd areas for the location of individual indentations. Series 14 gives information about the unaffected parent metal, series 510 refers to the HAZ and the series 11-14 to the weld metal. Otherwise, the location of the indentation can be determined on the basis of metallographic examination. To prevent the influence of deformation caused by an indentation, the minimum distance between the centrepoint of individual indentations in any direction shali not be less than 2,5 times the mean diagonal of the nearest macent indentation. For metals which harden in the HAZ as a result of welding, at least one indentation shall be made in the HAZ at a distance of 5 0,5 mm between the centrepoint of the indentation and the fusion line. For testing with individual indentations, the areas shall be numbered as shown in figure 8.

7 "bst results The hardness values shaii be recorded in relation to the position of the indentation.

8 'kst report A test report is required. The information to be recorded is listed in annexes A and B. The use of the format given in annexes A and B is recommended. Other forma& may be used provided they contain ail the required information. Additional information may be required by the relevant application standard or by agreement between the contracting parties.

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CEN EN*L043-L 95 M 3404589 0333222 927 H

Page 6 EN 1043-1: 1995

V/ I ............. .............

GI a) Butt weld from one side only both single and multirun

............... ...............

V/ I b) Butt weld from both sides both single and multinin

I

c) Partial penetration butt weld from both sides both single and multirun

*) For multirun welds only

(Dimensions in millimetres)

Figure 1. Examples of rows of indentations (R) in steel welds



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CEN E N * 1 0 4 3 - 1 95 W 3404589 0333223 863 Page 6 EN 1043-1: 1995

VJ d) For assessment of hardenabiiity on single run root runs ( e g for TIG weld on pipe and/or plate)

e) Fillet weld

f) T-butt weld


Figure 1. Examples of rows of indentations (R) in steel welds (concluded)


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CEN ~ ~ r 1 0 4 3 - 1 95 m 3 ~ 0 4 5 ~ 1 013322~ ~ J T T m Page 7

EN 1043-1: 1995

V/ I

NOTE. For thickness t I 4 mm, rows of indentations shall be in mid-thickness a) Butt weld from one side only both single and mdtirun

V/ I

NOTE. For thickness t I 4 mm, rows of indentations shall be in mid-thickness b) Butt weld from both sides both single and mdtirun

O ,5 t 2 m

c) Fillet weld from one side only a single run Dimensions in millimetres 1 Figure 2. Examples of rows of indentations (R) in aluminium, copper and their alloys



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C E N EN*L043-L 7.5 3Y04.589 0133225 636 Page 8 EN 1043-1: 1995

T d) Fillet weld from both sides single run

+ e) Fillet weld from both sides single run non load bearing stiffener ( t 5 4)

f) Fillet weld from one side m u l m (Dimensions in millimetres)

Figure 2. Examples of rows of indentations (R) in aluminium, copper and their alloys (continued)



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CEN EN*:L043-L 75 3404589 OL3322b 572 Page 9

EN 1043-1: 1995

g) Fillet weld from both side muitjrun

h) Fillet weld from both side multinui non load bearing stiffener


Figure 2. Examples of rows of indentations (R) in aluminium, copper and their alloys (conclwled)



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CEN EN* l1043-1 95 3404589 0333227 409 Page 10 EN 1043-1: 1995

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CEN EN*L043-L 95 3404587 0333228 345

Page 11 EN 1043-1: 1995

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EN 1043-1: 1996

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CEN EN*1043-1 75 3404589 O133230 T T 3 Page 13

EN 1043-1 : 1995

NOTE. For thickness t 5 4 mm, the rows of indentation shall be in mid thickness (Dimensions in millimetres)

Figure 6. Location of the indentations for assessment of hardenability on single run root runs in ferrous metal



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CEN ENxL043-II 75 H 3404587 OL3323L 93T Page 14 EN 1043-1 : 1995

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... .. . . . . . ...... ...... ...... ......

- ZSH



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CEN E N * 1 0 4 3 - 1 75 = 3404587 01i33232 8 7 b Page 15

EN 1043-1 : 1995

Parent metai Heat af fected 0 zone W e l d m e t a l

NOTE. Other areas are possible, by agreement.

Figure 8. Examples showing areas for hardness testing with individual indentations (E)



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CEN EN*L043-L 95 3404589 0333233 702 Page 16 EN 1043-1 : 1995

Annex A (informative) Hardness testing (R) on welded joints

lype of hardness test: Parent metal: Thickness of material: lype of weld: welding process: consumable: Heat treatment andor ageing: Brief designation of rows of indentations: Notes:

Rcture or rawing giving dimensions and designat@ the rows of indentations

H a r d n e S S Hen)

600

500

400

300

200

100

300

240

180

120

60

I I 1 I I I I O Centre of weld Distance from weld centre (in mm) = ... (to be completed)

H a r d n e S S HEP)

Indicate load in accordance with IS0 6507-1 or IS0 6507-2. 2, Indicate load in accordance with EN 1OOO3-1.



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EN 1043-1 : 1995

Area

1 2

Annex B (informative) Hardness testing (E) on welded joints

Individual hardness values HV or

Position of indentations

HB')

Parent nietai, iuiaffected, surface Parent nietal, unaffected, centre

Type of hardness test: Parent nietai: Thickness of niaterid:

5 G 7

Type of weld: Welding process: Consuniable:

Parent nietai, heat affected zone, top of weld Parent nietai, lieat affected zone, bottoni of weld Parent nietal, heat affected zone, too of weld

Poctweld heat treatnient andor ageing: Notes:

Pichire or drawing with niinibered areas

Parent

metal

Unaffected

metal I 3 I Parent nietai, unaffected, surface --I I 4 I Parent nietai, unaffected, centre I

H

A -~

2 I S I Parent nietai, heat affected zone, bottoni of weld 1 I 9 I Parent nietai, heat affected zone, root run, inside I I 10 I Parent nietai, heat affected zone, root run, inside I

~~~~

I 11 I Weld nietai, final run 1 I 12 I Weld nietai, final nm I

Weld metal I 13 I Weld metai, root nui I I 14 I Weld nietai, root nui, inside I



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CEN E N * L O 4 3 - 1 75 3404587 0333235 585

BS EN 1043-1 : 1996

List of references

See national foreword.



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BS EN 1 1043-1:1996

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en 1043-1~hardness test

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