ICS03.100.30J33备案号:13618-2004EIL中华人民共和国电力行业标准DL/T868一2004代替SD340一1989焊接工艺评定规程Thecodeofweldingprocedurequalification2004-03-23发布2004-06-01实施中华人民共和国国家发展和改革委员会发布DL/T868一2004目次前言范围··················································································································⋯⋯1规范性引用文件··············································“····“············“·“·········”···”·······”一1术语·························································································，.··············“.··“·⋯2总则····················价···········································································“·····一3基本规定·····················································································”··············”⋯⋯314181921评定项目及试样制备试验方法及评定标准评定工作的程序和管理弓︸67R附录A(资料性附录)常见国外钢材分类表···············⋯⋯附录B(资料性附录)焊接工艺评定任务书、方案、报告格式DL/T868一2004前言根据原国家经济贸易委员会电力〔2000122号《关于确认1999年度电力行业标准制、修订计划项目的通知》的要求，对SD340-1989《火力发电厂锅炉、压力容器焊接工艺评定规程》进行了修订，其格式按照DUF600-2001《电力标准编写的基本规定》的规定编排。本标准修订过程中，参照了有关国际标准、国家标准和国内有关标准及规定。为了正确地完成电力行业中生产、建设、检修、改造工作所涉及的焊接任务，必须按照规定程序拟定焊接工艺指导文件。本标准则提供在拟定焊接工艺指导文件之前应该完成的焊接工艺评定工作的依据。...
