火力发电厂焊接技术规程01DLT869-2004.pdfVIP

ICS25.160.10 F23 备案号:13619一2004 11L 中华 人 民共 和 国 电力行 业 标 准 DL/T 869一 2004 代替DL5007一 1992 火力发电厂焊接技术规程 Thecodeofweldingforpowerplant 2004-03-09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/T869一 2004 目 次 前言 ·····················································································································……II 1范围 ·····························。·。··················································································…… 1 2 规范性引用文件 ··。·····················································，··········································…… 1 3 一般规定 ··················。·························································································…… 2 4 坡口制备及组对要求 ·········································································…·…””””“””””.4 5 焊接工艺 ······················································。·····················································…… 8 6 质量检验 ············································································································……12 7 质量标准 ·················································································。··························……巧 8 焊接修复 ············································································································……17 9 焊接技术文件 ······································································································……18 附录A (资料性附录) 火力发电厂常用钢材的化学成分和力学性能 ·19 附录B (资料性附录) 常用焊条熔敷金属的化学成分和常温力学性能 .·29 附录C (资料性附录) 常用焊丝的化学成分 .·33 附录D (资料性附录) 埋弧自动焊常用焊剂简明表 .·35 附录E(资料性附录) 焊接异种钢的焊条 (焊丝)及焊后热处理温度速查表 ·······················一 36 DL/T869一 2004