China 'HG/T 3178-2002
' Industry standard english version:
HG
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
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
Issued Date:2002-9-28
Implemented Date:2003-6-1
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
HG/T 3178-2002
Standard Category
China Chemical Industry
Standards
GB Standard English Title
Welding procedure qualification and welder performance qualification of corrosion resistant stainless steel tube-tube sheet joints for high pressure urea equipment