... , API, Grade: ASTM A106/ A53 Gr. B etc. ASTM A 106 Gr.B Seamless Steel Pipes. Standard: ASTM, API, Grade: ASTM ... / A53 Gr. B etc.Out Diameter: (1/8"-48")In/ (10.3- 1219.2)mm, Thickness: SCH10- SCH160/ (1.73-21 ... .44)mm etc.Length: 4- 10 m or aboveSurface: Annealed/Pickled/Polished/ coating.Ends: Plain ends ...