铜管折边和铜合金对焊环松套钢法兰
Loose plate flange in steel with a copper pipe or a weld-neck collar in copper alloy for welding

2008-08-25

波纹管用热镀层钢板及钢带
Hot dip coating steel sheet and strip for corrugated pipe

2021-03-09

船用搭焊、对焊、铜管折边松套、异径钢法兰
Lap Welding-balanced welding-copper pipe flanging free Flared steel flange for marine

1999-04-30

Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless
焊接和无缝镀锌黑钢管

2024-03-01

Standard Specification for Pipe, Steel, Hot-Dipped Zinc-Coated (Galvanized) Welded, for Fence Structures
围栏结构用热浸镀锌（镀锌）焊接钢管标准规范

2022-11-01

Standard Specification for Threaded Couplings, Steel, Black or Zinc-Coated (Galvanized) Welded or Seamless, for Use in Steel Pipe Joints
钢管接头用黑色或镀锌（镀锌）焊接或无缝钢制螺纹接头标准规范

2023-09-01

PIPE, STEEL (SEAMLESS AND WELDED BLACK AND ZINC-COATED (GALVANIZED) (S/S BY ASTM-A53/A53M-1999B)
钢管（无缝焊接黑色镀锌管）（ASTM-A53/A53M-1999B标准S/S）

1973-02-01

PIPE, STEEL (SEAMLESS AND WELDED BLACK AND ZINC-COATED (GALVANIZED) (S/S BY ASTM-A53/A53M-1999B)
钢管（无缝焊接黑色镀锌管）（ASTM-A53/A53M-1999B标准S/S）

1973-02-01

Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use
防火用黑色和热浸镀锌（镀锌）焊接无缝钢管的标准规范

2021-03-01