JB中华民共和国行业标准JB4708-2000JBi74709-2000JB4744-2000钢制压力容器焊接工艺评定钢制压力容器焊接规程钢制压力容器产品焊接试板的力学性能检验WeldingprocedurequalificationforsteelpressurevesselsWeldingspecificationforsteelpressurevesselsMechanicalpropertytestsofproductweldedtestcouponsforsteelpressurevessels2000一08一15发布2000一10一01实施国家机械工业局国家石油和化学工业局发布关于发布《钢制压力容器焊接工艺评定》等四项行业标准的通知国机管〔2000)401号各有关单位:根据国家质量技术监督局规定的压力容器行业标准审批程序,现发布《钢制压力容器焊接工艺评定》等四项行业标准,编号与名称如下:强制性标准:JB4708-2000钢制压力容器焊接工艺评定(代替JB4708-1992)JB4710-2000钢制塔式容器(代替JB4710-1992)JB4744-2000钢制压力容器产品焊接试板的力学性能检验(代替GB150-1998附录E)推荐性标准:JB/T4709-2000钢制压力容器焊接规程(代替JB/T4709-1992)以上标准于2000年10月1日起实施,其出版发行工作责成全国压力容器标准化技术委员会按期组织完成。国家机械工业局国家石油和化学工业局2000年8月15日目次7宁玛JB4708-2000钢制压力容器焊接工艺评定前言·············································································································⋯⋯31范围·············································,····················,·····································⋯⋯52引用标准·····································,···························································⋯⋯53术语··································,··································································⋯⋯64总则································································...