Carbon steel seamless pipe is a kind of long steel with hollow cross section and no joint around. It has a hollow cross section, a large number of used for conveying fluid pipelines, such as conveying oil, natural gas, gas, water and some solid materials pipelines. Compared with solid steel such as round steel, carbon steel seamless pipe has the same bending and torsional strength and is light in weight. It is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipe, automobile drive shaft, bicycle frame and steel scaffolding used in construction, etc. Product name: Line line, Seamless steel pipe API 5L; Standard: API 5L PSL2; Grades: B, X42, X52, X56, X60, X65, X70 and S (S for sour service, for example X70QS or NS); Size: 1/2 inch to 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, and 24 inch for seamless; Wall thickness: SCH 10, SCH 20, SCH 30, SCH 40, STD, XS, SCH 60, SCH 80, SCH 100, SCH120, SCH160, XXS; Length Range: 20 FT (6 meter), 40FT (12 meter)or customized; Ends Type: Beveled ends, Plain ends; End Protection: plastic Caps or iron Caps; Surface Coatings: Natural, Varnished, Black painting, 3PP, FBE and 3PE, Cladding and Lined etc.