SHT3525-2015-石油化工低温钢焊接.pdf

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1、ICS25.160P72备案号:12097-2015中华人民共和国石油化工行业标准SH/T3525-2015代替SH!T3525-2004石油化工低温钢焊接规范Weldingspecificationoflowtemperaturesteelinpetrochemicalindustry2015-04-30发布2015-05-01实施中华人民共和国工业和信息化部发布S8/T3525-2015目次前言…….............................................................................

2、...................................…..III1范围…2规范性引用文件…..3术语和定义….................….........…....................................….........….........................24材料验收..............…..........................................…..................…............................…24.1一

3、般规定...........................................................…..............................................24.2钢材验收.............................................................................….........….........…….24.3低温冲击韧性试验…·………………………………………………………………………………"34.4焊接材料验收…..4.5材料

4、管理….................…............................................................….........…..........45焊工资格和焊接工艺评定..............…....................................….................….................46焊前准备….......................…........................…......................

5、....................................56.1坡口制备.........................................................................................….........……'56.2组对定位…………………………………………………………..............….........................57焊接工艺...............…........….........…..................…....

6、................................................77.1一般规定.......….................................................…..........................................…'77.2预热.......................…...........................….........….................................…..........77.3焊接....

7、...........………………………………………………………………………………………88焊后热处理........................................................................................................…….89焊接检验........….................................…...................................................................89.1外观

8、检查.......…......................….......