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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| SY/T 0452-2021 |
Qualification of welding procedures for oil and gas metal pipelines{译} {译} 石油天然气金属管道焊接工艺评定 |
China Oil & Gas Industry
Standards Welding procedure qualification |
 English PDF |
| DL/T 868-2014 |
Qualification standard for welding procedures 焊接工艺评定规程 |
China Electricity & Power
Standards Welding procedure qualification |
English PDF |
| NB/T 20002.3-2013 |
Welding code for mechanical components of PWR nuclear islands. Part 3: Welding procedure qualification 压水堆核电厂核岛机械设备焊接规范 第3部分：焊接工艺评定 |
China Energy industry
Standards Welding procedure qualification |
English PDF |
| SY/T 0452-2012 |
Standard for Welding procedure qualification of oil and gas metal pipeline 石油天然气金属管道焊接工艺评定 |
China Oil & Gas Industry
Standards Welding procedure qualification |
English PDF |
| HG/T 4280-2011 |
Plastic Welding procedure qualification 塑料焊接工艺评定 |
China Chemical Industry
Standards Welding procedure qualification |
English PDF |
| NB/T 47014-2011 |
Welding procedure qualification for pressure equipment 承压设备焊接工艺评定 |
China Energy industry
Standards Welding procedure qualification |
English PDF |
| DL/T 1117-2009 |
The specification of Welding procedure qualification for Conventional Island of nuclear power station 核电厂常规岛焊接工艺评定规程 |
China Electricity & Power
Standards Welding procedure qualification |
English PDF |
| HG/T 3180-2002 |
Welding procedure qualification and welder performance qualification of cladding and internal for high pressure urea equipments 尿素高压设备衬里板及内件的焊接工艺评定和焊工技能评定 |
China Chemical Industry
Standards Welding procedure qualification |
English PDF |
| HG/T 3178-2002 |
Welding procedure qualification and welder performance qualification of corrosion resistant stainless steel tube-tube sheet joints for high pressure urea equipment 尿素高压设备耐腐蚀不锈钢管子—管板的焊接工艺评定和焊工技能评定 |
China Chemical Industry
Standards Welding procedure qualification |
English PDF |
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