BS ISO 7800-2012 Metallic materials Wire Simple torsion test《金属材料 线材 单向扭转试验》.pdf
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1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 7800:2012Metallic materials Wire Simple torsion testBS ISO 7800:2012 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of ISO 7800:2012. Itsu
2、persedes BS ISO 7800:2003 which is withdrawn.The UK participation in its preparation was entrusted to TechnicalCommittee ISE/101/2, Ductility testing.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the
3、necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2012. Published by BSI StandardsLimited 2012ISBN 978 0 580 68835 5ICS 77.040.10Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard
4、was published under the authority of theStandards Policy and Strategy Committee on 31 March 2012.Amendments issued since publicationDate Text affectedBS ISO 7800:2012 ISO 2012Metallic materials Wire Simple torsion testMatriaux mtalliques Fils Essai de torsion simpleINTERNATIONAL STANDARDISO7800Third
5、 edition2012-03-15Reference numberISO 7800:2012(E)BS ISO 7800:2012ISO 7800:2012(E)ii ISO 2012 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2012g36g79g79g3g85g76g74g75g87g86g3g85g72g86g72g85g89g72g71g17g3g56g81g79g72g86g86g3g82g87g75g72g85g90g76g86g72g3g86g83g72g70g76g191g72g71g15g3g81g82g3g83
6、g68g85g87g3g82g73g3g87g75g76g86g3g83g88g69g79g76g70g68g87g76g82g81g3g80g68g92g3g69g72g3g85g72g83g85g82g71g88g70g72g71g3g82g85g3g88g87g76g79g76g93g72g71g3g76g81g3g68g81g92g3g73g82g85g80g3g82g85g3g69g92g3g68g81g92g3g80g72g68g81g86g15g3g72g79g72g70g87g85g82g81g76g70g3g82g85g3g80g72g70g75g68g81g76g70g68
7、g79g15g3g76g81g70g79g88g71g76g81g74g3g83g75g82g87g82g70g82g83g92g76g81g74g3g68g81g71g3g80g76g70g85g82g191g79g80g15g3g90g76g87g75g82g88g87g3g83g72g85g80g76g86g86g76g82g81g3g76g81g3g90g85g76g87g76g81g74g3g73g85g82g80g3g72g76g87g75g72g85g3g44g54g50g3g68g87g3g87g75g72g3g68g71g71g85g72g86g86g3g69g72g79g8
8、2g90g3g82g85g3g44g54g50g182g86g3g80g72g80g69g72g85g3g69g82g71g92g3g76g81g3g87g75g72g3g70g82g88g81g87g85g92g3g82g73g3g87g75g72g3g85g72g84g88g72g86g87g72g85g17g44g54g50g3g70g82g83g92g85g76g74g75g87g3g82g73g191g70g72g38g68g86g72g3g83g82g86g87g68g79g72g3g24g25g3g135g3g38g43g16g20g21g20g20g3g42g72g81g72g
9、89g68g3g21g19Tel. + 41 22 749 01 11g41g68g91g3g14g3g23g20g3g21g21g3g26g23g28g3g19g28g3g23g26g40g16g80g68g76g79g3g70g82g83g92g85g76g74g75g87g35g76g86g82g17g82g85g74Web www.iso.orgg51g88g69g79g76g86g75g72g71g3g76g81g3g54g90g76g87g93g72g85g79g68g81g71BS ISO 7800:2012ISO 7800:2012(E) ISO 2012 All rights
10、 reserved iiiContents g51g68g74g72Foreword iv1 Scope 12 Symbols and designations . 13 Principle . 24 Testing equipment . 25 Test piece . 26 Testing conditions . 37 Procedure 38 Test report . 4Annex A g11g76g81g73g82g85g80g68g87g76g89g72g12 Recommended types of jaws depending on the diameter d or cha
11、racteristic dimension h of the wire 5Annex B g11g76g81g73g82g85g80g68g87g76g89g72g12 Evaluation of fractures occurring during simple torsion test 6BS ISO 7800:2012ISO 7800:2012(E)Forewordg44g54g50g3g11g87g75g72g3g44g81g87g72g85g81g68g87g76g82g81g68g79g3g50g85g74g68g81g76g93g68g87g76g82g81g3g73g82g85
12、g3g54g87g68g81g71g68g85g71g76g93g68g87g76g82g81g12g3g76g86g3g68g3g90g82g85g79g71g90g76g71g72g3g73g72g71g72g85g68g87g76g82g81g3g82g73g3g81g68g87g76g82g81g68g79g3g86g87g68g81g71g68g85g71g86g3g69g82g71g76g72g86g3g11g44g54g50g3 g80g72g80g69g72g85g3 g69g82g71g76g72g86g12g17g3 g55g75g72g3 g90g82g85g78g3 g
13、82g73g3 g83g85g72g83g68g85g76g81g74g3 g44g81g87g72g85g81g68g87g76g82g81g68g79g3 g54g87g68g81g71g68g85g71g86g3 g76g86g3 g81g82g85g80g68g79g79g92g3 g70g68g85g85g76g72g71g3 g82g88g87g3 g87g75g85g82g88g74g75g3 g44g54g50g3g87g72g70g75g81g76g70g68g79g3g70g82g80g80g76g87g87g72g72g86g17g3g40g68g70g75g3g80g7
14、2g80g69g72g85g3g69g82g71g92g3g76g81g87g72g85g72g86g87g72g71g3g76g81g3g68g3g86g88g69g77g72g70g87g3g73g82g85g3g90g75g76g70g75g3g68g3g87g72g70g75g81g76g70g68g79g3g70g82g80g80g76g87g87g72g72g3g75g68g86g3g69g72g72g81g3g72g86g87g68g69g79g76g86g75g72g71g3g75g68g86g3g87g75g72g3g85g76g74g75g87g3g87g82g3g69g7
15、2g3g85g72g83g85g72g86g72g81g87g72g71g3g82g81g3g87g75g68g87g3g70g82g80g80g76g87g87g72g72g17g3g44g81g87g72g85g81g68g87g76g82g81g68g79g3g82g85g74g68g81g76g93g68g87g76g82g81g86g15g3g74g82g89g72g85g81g80g72g81g87g68g79g3g68g81g71g3g81g82g81g16g74g82g89g72g85g81g80g72g81g87g68g79g15g3g76g81g3g79g76g68g76g
16、86g82g81g3g90g76g87g75g3g44g54g50g15g3g68g79g86g82g3g87g68g78g72g3g83g68g85g87g3g76g81g3g87g75g72g3g90g82g85g78g17g3g44g54g50g3g70g82g79g79g68g69g82g85g68g87g72g86g3g70g79g82g86g72g79g92g3g90g76g87g75g3g87g75g72g3g44g81g87g72g85g81g68g87g76g82g81g68g79g3g40g79g72g70g87g85g82g87g72g70g75g81g76g70g68g
17、79g3g38g82g80g80g76g86g86g76g82g81g3g11g44g40g38g12g3g82g81g3g68g79g79g3g80g68g87g87g72g85g86g3g82g73g3g72g79g72g70g87g85g82g87g72g70g75g81g76g70g68g79g3g86g87g68g81g71g68g85g71g76g93g68g87g76g82g81g17g44g81g87g72g85g81g68g87g76g82g81g68g79g3g54g87g68g81g71g68g85g71g86g3g68g85g72g3g71g85g68g73g87g72
18、g71g3g76g81g3g68g70g70g82g85g71g68g81g70g72g3g90g76g87g75g3g87g75g72g3g85g88g79g72g86g3g74g76g89g72g81g3g76g81g3g87g75g72g3g44g54g50g18g44g40g38g3g39g76g85g72g70g87g76g89g72g86g15g3g51g68g85g87g3g21g17g55g75g72g3g80g68g76g81g3g87g68g86g78g3g82g73g3g87g72g70g75g81g76g70g68g79g3g70g82g80g80g76g87g87g7
19、2g72g86g3g76g86g3g87g82g3g83g85g72g83g68g85g72g3g44g81g87g72g85g81g68g87g76g82g81g68g79g3g54g87g68g81g71g68g85g71g86g17g3g39g85g68g73g87g3g44g81g87g72g85g81g68g87g76g82g81g68g79g3g54g87g68g81g71g68g85g71g86g3g68g71g82g83g87g72g71g3g69g92g3g87g75g72g3g87g72g70g75g81g76g70g68g79g3g70g82g80g80g76g87g87
20、g72g72g86g3g68g85g72g3g70g76g85g70g88g79g68g87g72g71g3g87g82g3g87g75g72g3g80g72g80g69g72g85g3g69g82g71g76g72g86g3g73g82g85g3g89g82g87g76g81g74g17g3g51g88g69g79g76g70g68g87g76g82g81g3g68g86g3g68g81g3g44g81g87g72g85g81g68g87g76g82g81g68g79g3g54g87g68g81g71g68g85g71g3g85g72g84g88g76g85g72g86g3g68g83g83
21、g85g82g89g68g79g3g69g92g3g68g87g3g79g72g68g86g87g3g26g24g3g8g3g82g73g3g87g75g72g3g80g72g80g69g72g85g3g69g82g71g76g72g86g3g70g68g86g87g76g81g74g3g68g3g89g82g87g72g17g36g87g87g72g81g87g76g82g81g3g76g86g3g71g85g68g90g81g3g87g82g3g87g75g72g3g83g82g86g86g76g69g76g79g76g87g92g3g87g75g68g87g3g86g82g80g72g3
22、g82g73g3g87g75g72g3g72g79g72g80g72g81g87g86g3g82g73g3g87g75g76g86g3g71g82g70g88g80g72g81g87g3g80g68g92g3g69g72g3g87g75g72g3g86g88g69g77g72g70g87g3g82g73g3g83g68g87g72g81g87g3g85g76g74g75g87g86g17g3g44g54g50g3g86g75g68g79g79g3g81g82g87g3g69g72g3g75g72g79g71g3g85g72g86g83g82g81g86g76g69g79g72g3g73g82g
23、85g3g76g71g72g81g87g76g73g92g76g81g74g3g68g81g92g3g82g85g3g68g79g79g3g86g88g70g75g3g83g68g87g72g81g87g3g85g76g74g75g87g86g17g44g54g50g3g26g27g19g19g3g90g68g86g3g83g85g72g83g68g85g72g71g3g69g92g3g55g72g70g75g81g76g70g68g79g3g38g82g80g80g76g87g87g72g72g3g44g54g50g18g55g38g3g20g25g23g15g3Mechanical tes
24、ting of metalsg15g3g54g88g69g70g82g80g80g76g87g87g72g72g3g54g38g3g21g15g3Ductility testing.g55g75g76g86g3g87g75g76g85g71g3g72g71g76g87g76g82g81g3g70g68g81g70g72g79g86g3g68g81g71g3g85g72g83g79g68g70g72g86g3g87g75g72g3g86g72g70g82g81g71g3g72g71g76g87g76g82g81g3g11g44g54g50g3g26g27g19g19g29g21g19g19g22
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