SH3520-04-石油化工铬钼耐热钢焊接规程.pdf

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1、免费标准网(www.freebz.net)标准最全面ICS25.160P72备奏号J399一2004中华人民共和国石油科上L行现'1"r1准SH/T3520-2004代替SH3520一1991石油化工铬相耐热钢焊接规程Weldingspecificationofchromemolybdenumsteelforpetrochemicalengineering2004-10-20发布2005-04-01实施国家发展和改革委员会发布免费标准网(www.freebz.net)无需注册即可下载免费标准网(www.freebz.net)标准最全面SH

2、/T3520-2004目次前言·····································。····················。·················。·········································。一川1范Itl........................................................................................................................I2规范性引用文件·.

3、.......................................................................................................I3术语和定义·..............................................................................................................I4总则·..............................................

4、.........................................................................24】材料·....................................................................................................................24.2焊接材料.....................................................................

5、..........................................24.3焊接「艺评定·........................................................................................................34.4灶「···································。·································································。·······

6、··⋯⋯35k'前滩备·····························································。················································。⋯35.1坡}1制务·······························，·························。····................................................35.2组对与定位·....................

7、.......................................................................................56灶接}_艺..................................................................................................................66.1般规定.........................................................

8、......................................................66.2予灾热·..................................