Material: Gr.A, Gr.B, X42, X46,X52,J55, N80, C90, T95, P110, Q215, Q235, SAE1010, SAE1025, SAE1035ST37, ST44, ST52, ect. Standard: ASTM A500, A501, A519, JISG3441, JISG3444ASTM A53, JISG3452, JISG3454, DIN1629ASTM A 106, A213, JISG3461, JISG3462 DIN17175, BS3059, API5L Available Size: OD: 1/2-16擶T: sch10-sch160