We are API, ISO. certified seamless carbon steel pipe manufacturer. Product Name: Carbon Steel Seamless Pipe Diameter: 21.3-914.4mm (1/2"-36") Thickness: 4.0-30mm (sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, XXS) Length: 5.8-12m/pcs Standard: ASTM A106, A53, API 5L, DIN17175 , EN10204, EN10216, JIS3454 etc Grade: GR.B, ST45, ST35 , X42-X60, Q345B etc External Coating: 3PE, FBE, etc SGS, BV, DNV is accepted . Tag: Seamless Steel Pipe/Cold Drawn Steel Pipe/Boiler Steel Pipe/3LPE Steel Pipe