DIN EN ISO 3738-1-2010 Hardmetals - Rockwell hardness test (scale A) - Part 1 Test method (ISO 3738-1 1982) German version EN ISO 3738-1 2010《硬质合金 洛氏硬度试验(A标尺) 第1部分 试验方法(ISO 3738-1-.pdf
《DIN EN ISO 3738-1-2010 Hardmetals - Rockwell hardness test (scale A) - Part 1 Test method (ISO 3738-1 1982) German version EN ISO 3738-1 2010《硬质合金 洛氏硬度试验(A标尺) 第1部分 试验方法(ISO 3738-1-.pdf》由会员分享,可在线阅读,更多相关《DIN EN ISO 3738-1-2010 Hardmetals - Rockwell hardness test (scale A) - Part 1 Test method (ISO 3738-1 1982) German version EN ISO 3738-1 2010《硬质合金 洛氏硬度试验(A标尺) 第1部分 试验方法(ISO 3738-1-.pdf(8页珍藏版)》请在麦多课文档分享上搜索。
1、August 2010 Translation by DIN-Sprachendienst.English price group 8No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、77.040.10; 77.160!$jB“1713125www.din.deDDIN EN ISO 3738-1Hardmetals Rockwell hardness test (scale A) Part 1: Test method (ISO 3738-1:1982)English translation of DIN EN ISO 3738-1:2010-08Hartmetalle Rockwell-Hrteprfung (Skala A) Teil 1: Prfverfahren (ISO 3738-1:1982)Englische bersetzung von DIN EN IS
3、O 3738-1:2010-08Mtaux-durs Essai de duret Rockwell (chelle A) Partie 1: Mthode dessai (ISO 3738-1:1982)Traduction anglaise de DIN EN ISO 3738-1:2010-08SupersedesDIN ISO 3738-1:1991-07www.beuth.deIn case of doubt, the German-language original shall be considered authoritative.Document comprises 8 pag
4、es08.10 DIN EN ISO 3738-1:2010-08 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ISO/TC 119 “Powder metallurgy” (Secretariat: SIS, Sweden) in collaboration with Technical Committee CEN/SS M11 “Powder metallurgy” (Secretariat: CCMC).
5、The responsible German body involved in its preparation was the Normenausschuss Werkstofftechnologie (Technology of Materials Standards Committee), Working Committee NA 145-01-04 AA Probenahme und Prfverfahren fr Hartmetalle. The publication of DIN EN ISO 3738-1 and the simultaneous withdrawal of DI
6、N ISO 3738-1:1991-07 (German version of ISO 3738-1:1982) were necessary because ISO 3738-1:1982 was adopted at European level as EN ISO 3738-1 and the requirements of the CEN standstill policy regarding the adoption of European Standards at national level must be met; however, the content of DIN EN
7、ISO 3738-1 and that of DIN ISO 3738-1:1991 do not differ aside from a few editorial changes and the correction referred to in the amendments clause below. The International Standard ISO/R 80 referred to in clause 2 has been withdrawn, and was replaced by ISO 6508:1986 (now withdrawn); the current re
8、placement is ISO 6508-1. ISO/R 716, also referred to in clause 2, was withdrawn in December 1986. The verification and calibration of Rockwell hardness testing machines is now covered by ISO 6508-2. The DIN Standards corresponding to the International Standards referred to in this document are as fo
9、llows: ISO 6508-1 DIN EN ISO 6508-1 ISO 6508-2 DIN EN ISO 6508-2 Amendments This standard differs from DIN ISO 3738-1:1991-07 as follows: a) In accordance with the original document ISO 3738-1:1982, the nominal hardness of standard test block no. 3 in Table 2 has been corrected to 91,0 HRA (instead
10、of 91,5 HRA). b) The standard has been editorially revised. Previous editions DIN ISO 3738-1: 1991-07 National Annex NA (informative) Bibliography DIN EN ISO 6508-1, Metallic materials Rockwell hardness test Part 1: Test method (scales A, B, C, D, E, F, G, H, K, N, T) DIN EN ISO 6508-2, Metallic mat
11、erials Rockwell hardness test Part 2: Verification and calibration of testing machines (scales A, B, C, D, E, F, G, H, K, N, T) EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 3738-1 April 2010 ICS 77.040.10; 77.160 English Version Hardmetals - Rockwell hardness test (scale A) - Part 1: Tes
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