DIN EN 104321996金屬材料焊縫破壞試驗(yàn)硬度試驗(yàn)焊接接縫顯微硬度試驗(yàn)

1、DIN EN 1043-2-1996 金屬材料焊縫破壞試驗(yàn).硬度試驗(yàn).第2部分焊接接縫顯微硬度試驗(yàn)ICS 25.160 .40 DEUTSCHE NORM ardness testing of welds in metallic materials Micro hardness testing on welded joints English version of DIN EN 1043四2Descriptors: Testing , welded joints, hardness test, metals. November 1996 DIN EN 1043皿2Zerst?rend Pr&#

2、252;fung von Schwi?verbindungen an metallischen Werkstoffn 一 H?rteprüfung Teil 2: Mikroh?rtprüfung an Schwei?verbindungen European Standard EN 1043圄2: 1996 has the status 01 a DIN Standard 圄A comma is used as the decimal marker. National foreword This standard has been prepared by CEN廳C 12

3、1. The responsible German body involved in its preparation was the Normenausschu Schwei?technik (Welding Standards Committee), Technical Committee Zerst?rende Prüfung von Schwei?verbindungen. DIN 50133 is the standard corresponding to International Standards ISO 6507斗 and ISO 6507-2 referred to

4、 in clause 2 of the EN. Standard referred to (and not included in Normative references) DIN 50133 Vickers hardness testing of metallic materials 一 HV 0 ,2 to HV 100 。 No part 01 this standard may be reproduced without the prior permission of DIN Deutsche8 In8tftut tür Normung e. V. , Berlin. Be

5、uth Verlag GmbH, Berlin, has the exclusive right 01 sale for German Standards (DIN-Normen). 巨N comprises 10 pages 陽Ref. No. DIN EN 1043回2:1996-11Price group 07 8ales No. 1107 05.97 EUROPEAN S?NDARD NORME 睦UROPEENNEEUROP?I串串HE NORM EN 1043-2 October 1996 ICS 25.160 .40 Descriptors: Testing, welded jo

6、ints, hardness test, metals. English version Destructive tests on welds in metallic materials Hardness test Part 2: Micro hardness testing on welded joints Essais destructifs des soudures sur matériaux métalliques - Essai de dureté -Partie 2: Essai de microdureté des assemblags s

7、oud告$Zerst?rende Prüfung von Schwei?verbin-dungen an metallischen Werkstoffen -H?rteprüfung - Teil 2: Mikroh?rteprüfung an Schwei?verbindungen This European Standard was approved by CEN on 1996-05-23 固CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stip

8、ulate th告 conditions for giving this European Standard the status of a national standard without any alt串陽tion.Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any C巨N member. This European Standard exi

9、sts 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 languag自 and notifi自d to the Central S自cr自tariat has the same status as the official verslons. CEN members are the national standards

10、bodies of Austria , Belgium, Denmark, Finland , France, Germany, Greece, Iceland , Ireland , Italy, Luxembourg, Netherlands, Norway, Por-tugal , Spain , Sweden , Switzerland and United Kingdom. CEN European Committee for Standardization Comité Européen de Normalisation Europ?isches Komitee

11、 für Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 。 1996. CEN - AII rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 1043國2: 1996 E Foreword.;.1111.11. 2 1 Scope .回.;. 3 2 Normative references . .·四 a s g. . ?

12、. .田.國. 3 3 Principle .回.;.·團(tuán).植.國.，.;.國.田.·. 3 4 Denominations and symbols .， ?.II. ·圄. 3 5 Preparation of test specimens. 自. 4 6 Test procedure .回.;.圃.田. . . 11 圃. 4 6.1 Rows of indentations (R) . . . . e 0 .國 0. . 4 6.2 Individual indentations (E) . u .嗣·國. 5 7 Test results . .

13、 5 8 Test report.·,.;1;. 6 Annex A (informative) 時(shí)ardness testin由 (R) on welded joints. ' 8 . 8.;'. ;'. 8. '. . . . . . 9 Annex B (informative) Hardness testing (E) on welded joints. .10 Foreword This European Standard has been prepared by Technical Committee

14、 CENITC 121 ;Weldi噸'thesecretariat of which 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 Apri11997, and conflicting national standards shall be withdrawn at the latest b

15、y April 1997. According to the CEN/CENELEC Intemal Regulations , the national standards organizations of the following countries are bound to implement this European Standard: Austria , Belium ， Denma礎(chǔ)，F(xiàn)inla時(shí)， France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, No陽ay ，PO叫ugal

16、， Spain , Sweden, Switzerland and the United Kingdom. Page 3 EN 1043-2: 1996 This standard specifies mìcro hardness tests on transverse sections of welded joints of metallic materials with high hardness radients. It covers Vickers hardness tests in accordance with 180/D!8 6507斗， normally with t

17、est loads of 0 ， 9自 N to less than 49 N (HV 0 ,1 to less than HV 5). Testing should be carried out to ensure that the highest and/or the lowest level of hardness of both parent metal (in the case of dissimilar metal both parent metal) and weld metal is determined 圃The type and extent of testin sha!l

18、 be as specified by an application standard or by agreement between the contracting parties. This standard does not cover the hardness test as described in EN 1043斗，2 Normative references This European 8tandard inco幣。rates ， by dated or undated reference雷 provisions from other publications. These no

19、rmative references are 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 8tandard only when incorporated in it by amendment or revision. For undated re

20、ferences the latest edition of the publication referred to applies. EN 1043-1 Oestructive test on welds in metallic materials - Hardness testing - Part 1: Hardness test on arc welded joints 180/018 6507-1: 1995 Metallic materials - Vickers Hardness test 翩 Part 1 : Test method 3 Principle 時(shí)icro hardn

21、ess testing shall be carried out in accordance with 180/018 6507-1. The micro hardness tests may be carried out in the form of rows of indentations冒民， or as individual indentations, E. When types of weld are not shown in the examples, the test procedure shall be appropriate to the welded joint. Unle

22、ss otherwise specified , the test shall be carried out at ambient temperature (23 士碼。C4 Denomination5 and 5yn啦。15The denominations and symbols to be used are specified in table 1 and represented on figures 1 to 3. Table 1 : Denominations and symbols 8ymbol Oesígnation Unit E Individual indentat

23、ion R Row of indentation HV Vickers hardness L Oistance between the centrepoint of the indentations in mm heat affected zone H Oistance of rows of indentations from the reference line 阿1門1(surface or fusion line) Thickness of test specimen mm 1) The unit of symbolisation for Vickers hardness is give

24、n in 180/018 6507斗 E5 Preparation of test specimens The preparation of the test specímen shall be in accordance wíth 180/018 6507四 1.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

25、 the surface shall be carried out carefully so that the hardness of the surface to be tested is not affected metallurgically. The surface to be tested shall be properly prepared and preferably etched, so that accurate measurements of the diagonal of the indentations can be achieved in the different

26、zones of the welded joint. 6 Test procedure 6.1 Rows of indentations (R) Fiures 1 to 3 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, add

27、itional rows of indentations and/or different locations may be made. The location shall 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 fiure 1) can not be necessary. The number and spacin竄。f indentations shall be suffi

28、cient to define hardened or softened regions due to welding. Recommended distance between the centrepoint of the indentations in the heat affected zone (HAZ) ís gíven ín table 2. Page 5 EN 1043-2: 1996 Sufficient indentations shall be made to ensure that unaffected parent metal is tes

29、ted. In the weld metal, the distance between indentations shall be selected and checked so that the results obtained will enable assessment of the welded joint to be made. For metals which harden in the HAZ as a result of welding, two additional indentations in the HAZ shall be made at a distance no

30、t exceeding 0,5 mm between the centrepoint of the indentation and the fusion line (see figure 2). For other joint configurations or metals (e.g. austenitic steels) special requirements may be given by an application standard or by agreement between the contracting parties. Table 2 : Recommended dist

31、ance, L, between the centrepoint of the indentations in the heat affected zone (HAZ) Vickers Recommended distance between hardness indentations L 1) symbol 付1付1Ferrous metals 2) Aluminium. copper and their alloys HVO,1 0.2 O 自 to 2 HV 0.5 1,5 to 4 HV 5 。， 7 2 ,5 to 5 1) The distance of any indentati

32、on from the previous indentation shall not be less than the value allowed for the previous indentation by ISO/OIS 6507. 才.2) Excluding austenitic steels. 自.2 Individual indentations (E) Figure 4 shows typical areas for the location of individual indentations. The series 1.4 gives the information abo

33、ut the unaffected parent metal, the series 5-8 refers to the HAZ and the series 9-11 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 betw

34、een the centrepoint of individual indentations in any direction shall not be less than 2,5 times the mean diagonal of the nearest adjacent 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:; 0,5 mm between the c

35、entrepoint of the indentation and the fusion line. For testing with individual indentations, the areas shall be numbered as shown in figure 4. 7 Test results The hardness values shall be recorded in relation to the position of the indentation. A test report is required. The information to be recorde

36、d is listed in annexes A and B. The use of the format given in annexes A and B is recommended. Other formats may be used provided they contain all the required information. Additional information may be required by an application standard or by areement between the contractin parties. 儼ae可-Parent me

37、tal 亡=:J Heat affected zone 應(yīng)當(dāng) Weld metal Note : For thickness :; 4 mm, the rows of indentations shall be at the mid thickness position. Fi竄ure 1 : Exa酣ple of rows of indentation, R, in butt welds in ferrous metals (di酣ensions in 酣illimeters)Page 7 EN 1043-2: 1996 份量百EZSEE錦Z古甲。囂錦旦旦Z囂份3甸回旦啊MEUXO幽XEOE

38、納2。hg鍋囂主囂的COE氈制制3ag甲錦g。zmZC響HC叩ZFLFOCOZmwuoJ時(shí)3白甲H陸-m蒼EUB自CONUHUkmHm工一麗富EHCma圈_ Parent 附al D Heat affected zone 區(qū)Jill Weld metal Fi自u(píng)re 3 : Location of the indentations in spot and projection seam welds in ferrous metals (dimensions in millimeters) 路紹 Pa陪nt metal 仁:=J Heat affected zone 應(yīng)Ilill Weld metal NOTE : Other areas are possible , by agreemen t. Fi組ure 4 : Example showing areas for hardness testing with individual indentations (E) Hardness testing (R) on welded joints Type of hardness test : Identification of the test machine : Par