A seamless steel pipe is a circular pipe having a hollow section and no seams around it. The seamless steel pipe is made of carbon steel, alloy steel, stainless steel ingot or solid tube blank, and then is made by hot rolling, cold rolling or cold drawing. The quality of end product â?? tubes, entirely depends upon both factors â?? quality control during the manufacturing process and the initial condition and quality of raw materials. Product name: Line line, Seamless steel pipe; Standard: ASTM, ASME and API; Grades: API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80and higher. PSL-1/PSL-2. ASTM A106 Gr. B/C. ASTM A53 Gr. B; 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 40, SCH STD, SCH 80, SCH XS to SCH 60; 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.