China 'NB/T 47018.4-2011
' 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 47018.4-2011
Technical permission of welding materials for pressure equipment. Section 4: 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:2011-07-01
Implemented Date:2011-10-01
Issued by:
The Standardization Administration of the People's Republic of China
GB Standard Code
NB/T 47018.4-2011
Standard Category
China Energy industry
Standards
GB Standard English Title
Technical permission of welding materials for pressure equipment. Section 4: Electrodes and fluxes for submerged arc welding