JTT 371-1997 水下局部排水二氧化碳保护半自动焊作业规程.pdfVIP

谭A 中华人民共和国交通行业标准 JT/T 371一1997 m o c . 水下局部排水二氧化碳保护半自动焊作业规程 w The operation rules for underwater semi-automatic x f protection welding by way of water partially drained by COz z b w. w w 1998一02一25发布 1998一07一01实施 中华人民共和国交通部 AV 目 次 前言 I 范围·······················，··‘··············，····························，.··········“·····“·”····”··‘···”·… 2 引用标准·····························································”··，.······························…… 3 一般规定··········。····················，··········································…… 4编制施工方案及工艺说明书 ···1价 ，，·，··· ··，.·，，，·-一‘·“·‘·’”’ ‘·‘“’一‘·’·’，’‘“‘’‘’·介 5水下焊接工艺试验 6水下焊接施工 ············，.····················，.··，.·········，··································，····…… ‘二 7质量检验 ·······。··················‘···········”·········‘··············，’····································，.·… 附录A(提示的附录)局部排水水下焊接坡口型式 m o c w. x f z b w. w w