Overlaying-welding procedure qualification for valves sealing face
全国阀门标准化技术委员会(SAC/TC 188)
本标准规定了阀门密封面堆焊的一般要求、堆焊工艺评定因素及分类、堆焊工艺评定规则、试验要求和试件检查、堆焊焊评的补充规定以及预堆焊工艺规程和堆焊工艺评定报告推荐格式。
本标准适用于阀门密封面表面加硬层的等离子弧堆焊、氧燃料气堆焊、焊条电弧堆焊、埋弧堆焊、熔化极气体保护堆焊、钨极气体保护堆焊及其他堆焊方法的工艺评定。
This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address
