China 'NB/T 47018.4-2017
' Industry standard english version:
NB
中华人民共和国行业标准
INDUSTRY STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
NB/T 47018.4-2017
Technical permission of welding materials for pressure equipment Section - Part4:Electrodes and fluxes for submerged arc welding 承压设备用焊接材料订货技术条件 第4部分:埋弧焊钢焊丝和焊剂
Issued Date:2017-03-28
Implemented Date:2017-08-01
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
NB/T 47018.4-2017
Standard Category
China Energy industry
Standards
GB Standard English Title
Technical permission of welding materials for pressure equipment Section - Part4:Electrodes and fluxes for submerged arc welding