... seamless steel pipe Brand Huida Specification 10.29mm-508mm (1/8''-20'')× 1.2mm-39mm Standard GB, ASTM, API 5L, ... Model Number 10.29mm-508mm. (1/8''-20'')1.2mm-39mm Technique Seamless, welded Usage 1. Low and middle pressure fluid ... .AASTM A53 Gr.AASTM A179-CASTM A214-CASTM A192 St 37-2St 35.8St 35.420#ASTM A106 Gr ... .BASTM A53 Gr.BASTM A315 Gr.BASTM A210-A-1 St 42St 4516MnASTM A210-CSt 52.4St 52.3St 52 ...