Standard: GB, ASTM, API Outer Diameter: 16 - 460 mm Thickness: 3- 60 mm Type seamless steel pipePipe Size1/2"—48" (DN15-1200) ... ,SCH40,SCH60,XS,SCH80,SCH100,SCH120,SCH140,SCH160,XXS,DIN, JIS standard thicknessLengthFixed: 3.0 , 5.8 , 5.85 , 5.9 , ... and prompt delivery3.Rich supply and export experience, sincere service4. Reliable forwarder, 2-hour away from port. ASTM A 53 hot-rolled seamless steel ...