GB/T 22652-2019 代替 GB/T 22652—2008
阀门密封面堆焊工艺评定
Overlaying-welding procedure qualification fbr valves sealing face
2019-10-18 发布
2020-05-01 实施
目 次
前言............................................1
1范围..........................................1
2规范性引用文件.....................................1
3术语、定义和缩略语...................................2
3.1术语和定义.....................................2
3-2缩略语.......................................3
4 一般要求.............................................3
4.1 总则.............................................3
4.2堆焊工艺規程........................................3
5堆焊工艺评定因素及分类 ...............................3
5.1堆焊方法分类..................................3
5.2母材分类.....................................3
5.3填充金属及分类..................................7
5.4焊后热处理及分类................................8
5.5评定因素及分类..................................8
6堆焊工艺评定规则...................................10
6.1堆焊方法的评定规则...............................10
6.2母材的评定规则..................................10
6.3填充金属的评定规则...............................10
6.4焊后热处理的评定规则..............................10
6.5堆焊过渡层的评定规则..............................11
6-6试件母材厚度与焊件母材厚度的评定规则......................11
7试验要求和试件检査..................................11
7.1试件制备.....................................11
7.2试件检査.....................................11
8堆焊焊评的补充规定..................................12
9預堆焊工艺規程和堆焊工艺评定报吿推荐格式......................12
附录A《资料性附录）堆焊工艺規程流程图........................13
附录B （资料性附录）母材、填充金属和堆焊方法的补充规定................14
附录C ＜资料性附录）堆焊工艺评定表格推荐格式.....................16