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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| NB/T 20149-2012 |
Qualification procedure for pressure transmitter important to safety of nuclear power plants 核电厂安全重要压力变送器鉴定规程 |
China Energy industry
Standards Qualification procedure pressure |
 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 Qualification procedure pressure |
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 Qualification procedure pressure |
English PDF |
| HG/T 3179-2002 |
Surfacing procedure qualification and welder performance qualification for high pressure urea equipment 尿素高压设备堆焊工艺评定和焊工技能评定 |
China Chemical Industry
Standards Qualification procedure pressure |
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 Qualification procedure pressure |
English PDF |
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