Welding procedure qualification and welder performance qualification of corrosion resistant stainless steel tube--tube sheet joints for high pressure urea equipment
基本信息
标准号:
HG/T 3178-2002
名称:
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
英文名称:
Welding procedure qualification and welder performance qualification of corrosion resistant stainless steel tube--tube sheet joints for high pressure urea equipment