ASTM A53 STEEL PIPE

ASTM A53 STEEL PIPEUsage: Applicable to the general structure, mechanical structure with seamless steel tubes.Quality Standard:ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessASTM A519 Seamless Carbon and Alloy Steel Mechanical TubingASTM A106 Seamless Carbon Steel Pipes for transportationGB/T8162 Seamless Steel Tubes for Structural PurposesDIN 2391 Seamless Precision Steel TubesEN10305 Steel tubes for precision