Dimension Standard: ASME B36.10 Types: Seamless, Welded, ERW, FEW Grades: CS: ASTM A 106 Gr. B/ASTM A53 Gr. A & Gr.B, ASTM A336 : F11, F12, F22, P9, P11, P22, P91 SS: 316/316L, 304/304L, SDSS Alloy: Inconel 825, 625, C-276