SH-T 3520-2004石油化工铬钼耐热钢焊接规程.pdfVIP

ICS 25.160 P 72 备奏号 J399一2004 中华人民共和 国石油科上L行现1r1准 SH/T3520-2004 代替SH3520一1991 石油化工铬相耐热钢焊接规程 Weldingspecificationofchromemolybdenumsteel forpetrochemicalengineering 2004-10-20发布 2005-04-01实施 国家 发 展 和 改 革 委 员 会 发 布 SH/T3520-2004 目 次 前言·····································。····················。·················。·········································。一 川 1 范ItlI 2 规范性引用文件 .·I 3 术语和定义·I 4 总则.·2 4】材料.·2 4.2 焊接材料2 4.3 焊接 「艺评定.·3 4.4 灶 「···································。·································································。·········……3 5 k前滩备·····························································。················································。…3 5.1 坡}1制务 ·······························，·························。····3 5.2 组对与定位 .·5 6 灶接 }_艺6 6.1 般规定6 6.2 予灾热·6 6.3 归砂接7 7 必碑接检验8 7.1 外观检六8 7.2 无牡1检测8 8 W缝返修 ·······································································。。···································……8 9 焊后热处理 ·········································。·······························································…… 附录A(资料性附录)国内、外铬铝耐热钢钢号、化学成分和力学性能10 附求 B (资料性附录)部分铭钥钢焊接材料的选川 .·17 附录 C (资料性附录)国内、外铬钊耐热钢焊材化学成分及力学性能19 川词说明24 附:条文说明·25 SH/T3520-2004 前 言 本规程是根据原国家经贸委 《关于下达 2002年石化行业标准制修订项目计划的通知》(国 经贸厅行业[2002]36号)，由中国石化集团北京燕化建筑安装工程公司对原 《石油化工工程铬铝耐热 钢管道焊接技术规程》SH3520-1991进行修订而成。中国石油化工集团公司工程建设管理部组织审 定 。 本规程共分9章和3个附录，3个附录均为资料性附录。 本规程与 《石油化工工程铬铝耐热