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1、T91／P91钢焊接工艺导则关于颁发《T9l／P91钢焊接工艺导则》的通知电源质[2002]100号1.制订依据本导则是根据电力工业焊接有关规程、规范、技术条件和相关资料，以国家电力公司火电建设部制订的“T91／P91钢管焊接工艺暂行规定”为版本，结合近年来积累的实践经验进行修订。2.适用范围2.1本导则适用于火力发电设备，以T91／P91钢管及与其它钢种相连接的各类焊接接头的制作、安装、检修工程的焊接工作。2.2适用于手工钨极氩弧焊和焊条电弧焊的焊接方法。3.总则3.1T91／P91钢的焊接工艺评
2、定，应遵守SD340—89《火力发电厂焊接工艺评定规程》的规定，并以工艺评定为基础确定焊接工艺，编制作业指导书。3.2焊接T91／P91钢焊工技术能力的验证，应按DL／T679—1999《焊工技术考核规程》的规定考核，取得合格证书后，方可参加焊接工作。3.3焊接接头质量检验应遵照DL／T820-2002和DL／T821—2002两本检验规程的规定进行，其质量标准应符合DL5007—92规定。3.4对国外引进设备的T91／P91钢焊接工作，应按合同规定进行，如无规定时，其焊接工艺评定、焊工技术考核、焊
3、接工程的技术规定和焊接质量检验等均应执行电力工业焊接相关规程和本导则规定。3.5焊接T91／P91钢的场所其环境温度和条件以及防护设施应符合DL5007—92的规定。3.6实施T91／P91钢焊接工作应遵守国家和电力工业对安全、防火、环保和施焊中其它相关条件的有关规定。4.焊接机具和焊接材料providesventureplatform,makesmanyyouthroundhasventuredream,fornationalsolutionhasimportantofemploymentprob
4、lem.Relevantdepartmentsunitscarefullytodiscover,cultivatetalent.FromtheperspectiveofDongping,contradictionofrapideconomicdevelopmentandpersonnelshortages.Currentlyfacingtheindustrytransformationandupgrading,andtransformandupgradetraditionalindustries,i
5、sthedevelopmentofnewindustriessuchastourism,logistics,e-commerce,westilllackalargenumberofcapitaloperationandmanagementoftalents,thelackoftechnologicalinnovation,technologytransfer,productresearchanddevelopment,tourismservicesandotherhigh-levelprofessi
6、onalandtechnicalpersonnel.EspeciallywiththeIndustryfurtherdevelops,thedemandisgrowing.Wemuststandintheglobalandstrategicheight,withahighdegreeofpoliticalresponsibilityandhistoricalmission,countiesimplementtalentstrategiesasamajorandpressingtasktoseizeg
7、ood,practicalhumanresourcedevelopmentasindustrialcountiesofthecountry.Departmentsatalllevelsmustfirmlyestablishthe"talentiswealth,talentiscompetitive,talentiscreativity"concept,fullyawareoftheextremeimportanceoftalent,therealtalentworkingontheagenda,th
8、eprimarytaskoftheprimaryresourcestosupportthedevelopmentoftalent.2theconstructionofenterprisers'asthestartingpoint,andpromotethetransformationand4.1焊接T91／P91钢的焊接设备，应选用焊接特性良好、稳定可靠的递变式或整流式焊机。其容量应能满足焊接规范参数的要求。4.2氩弧焊工器具4.2.1氩弧焊枪选用气冷式。4.2.2氩
