GBT20078-2006 铜和铜合金 锻件.pdf

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1、ICS25.010J32疡中华人民共和国国家标准GB/T20078-2006铜和铜合金锻件Copperandcopperalloys-Forgings2006-01-23发布2006-08-01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委员会GB/T20078-2006目，次前言··········，·····································································································⋯⋯m1范围·

2、·············································································································⋯⋯12规范性引用文件···································································.....⋯⋯，.⋯⋯，...⋯⋯13定义······························································

3、···，········，····································⋯⋯14标识······················································，，·······················································⋯⋯25订货资料································································································

4、·········⋯⋯26要求························································，······················································⋯⋯37取样·····················································，···························································，二188试验方法················

5、·······················································································⋯⋯199符合性和检测文件说明················································，，········，，············..·············⋯⋯2010标记、标签、包装·································，·································

6、··.....................⋯⋯，二20附录A(资料性附录)参考文献······························，········，········，，·.......⋯⋯，........⋯⋯21附录B(资料性附录)推荐的设计指南·······································································，⋯22附录C(资料性附录)确定脱锌的平均深度···········································

7、············，·······⋯⋯32附录D(资料性附录)牌号对照················································，，··········⋯⋯，，·········⋯⋯33GB/T20078-2006前言本标准等同采用BSEN12420:1999《铜和铜合金锻件)(英文版)。本标准等同翻译BSEN12420:1999，为便于使用，本标准作了下列编辑性修改:—“本欧洲标准”一词改为“本标准，’;—引用标准中的引语采用GB/T1.1-2000中的引语;—用小数点“.”代替作为小数点

8、的逗号“，”;—删除欧洲标准中的前言;—增加附录D;—本标准中表1~表8的部分牌号和铜合金化学成分对照参见附录D对照表;—删除BSEN12420:1999《铜和铜合金锻件》标准中的附录ZA,本标准的附录A、附录B、附录C