Standard: GB, ASTM Outer Diameter: 16 - 460 mm Thickness: 3 - 60 ... ,STD,SCH40,SCH60,XS,SCH80,SCH100,SCH120,SCH140,SCH160,XXS,DIN, JIS standard thicknessLengthFixed: 3.0 , 5.8 , 5.85 , 5.9 ... A53,A106,API 5L,ASME B36.10M-1996DIN1626,DIN1629,DIN17175,DIN 2448JIS G3452,JIS G3454,JIS G3455,JIS G3456,JIS G3457 ...