... 3) Standard: ASTM/ASME - A106, A53, A179, A192, A210(A1/C), A519(1020/1025/1026), A213(T5/T9/T11/T12/T22 ... ) OTHER - BS3059(360/440), JIS3445(14A/14B/14C) 4) O. D: 1/2"-20"(19.05mm-508mm, NB10-NB500) 5) W ... Standard, Grade, Steel No: ASTM A178 Grade A, C, D ASTM A192 ASTM A210 GradeA-1, C BS3059-I 320 CFS BS3059-II 360 ...