gb21839
gb21839, Total:2 items.
The international standard classification for "gb21839" includes: Steels for reinforcement of concrete , Steel wire, wire ropes and link chains .
The Chinese standard classification for "gb21839" includes: Metal physical and chemical property test method in general , Steel wire and wire rope .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 21839-2008 Steel for prestressed concrete - Test methods
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 21839-2019 Test methods of steel for prestressing concrete
