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
GB/T 39754-2021
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
CB/T 3212-1999
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
ASTM A53/A53M-24
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
ASTM F1083-18(2022)
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
ASTM A865/A865M-23
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
FED WW-P-404D
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
ASTM A795/A795M-21
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