JBT 4746-2002钢制压力容器用封头

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1、中华人民共和国行1k标准JB/T4746-2002代替JB/T4729-1994,JB/T4737-4739-1995,JB576-1964钢制压力容器用封头Formedheadsforsteelpressurevessels2002-08-22发布2003-03-01实施匹习氢之奎一乏为寿芍邵理纭香一寻导步靓雀纷发布JB/T4746-2002目次前言···············································································

2、··································⋯⋯251范围····································································，·······································⋯⋯272规范性引用文件······，······················································，································一

3、273符号·············································································································⋯⋯274型式参数与标记·······························································································⋯⋯285材料····························

4、···············································································⋯⋯296制造、检验与验收·····································································，·······················⋯⋯307出厂质量证明文件··························································

5、··································⋯⋯358油漆、包装与运输··························，··············............................................................35附录A(资料性附录)封头成形厚度减薄率·································································⋯⋯36附录B(资料性附录)EHA椭圆形封头

6、型式参数···························································⋯⋯37附录以资料性附录)EHB椭圆形封头型式参数·······································，···················⋯⋯41附录D(资料性附录)DHA碟形封头型式参数······························································⋯⋯42附录E(资料性附录)DHB碟形封头型

7、式参数····························································⋯⋯46附录F(资料性附录)CHA锥形封头型式参数·····························································⋯⋯50附录G(资料性附录)CHB锥形封头型式参数·······························································⋯⋯53附录H(资料性附录)CHC锥形

8、封头型式参数·······························································⋯⋯56附录I(资料性附录)PSH球冠形封头型式参数··················，·········································⋯⋯59JB/T4746-2002前言本标准自颁布之日起代替以下各项标准:JB576-1964碟形封头JB