Stainless Steel: ASTM A 312, A 213, A 249, A 269, A 358, A 240. Type: 202, 304, 304L, 304H, 316, 316L, 316Ti, 321, 321H, 317, 317L, 310, 310S, 409, 410, 420, 430 etc. Carbon Steel: ASTM A 106, A 53, API A 5L Gr A, B, C, ASTM A 333, Gr 1 to 6 (IBR & NON IBR). Alloy Steel: ASTM A 335, GR P1, P2, P5, P9, P11, P22, P91. Nickel Alloys: Hastelloy, 904, Titanium etc. Copper Alloys: Aluminium, Copper, Brass & Gunmetal. Types : Round, Square Rectangular. Size : Seamless: Upto 24" NB Welded: 1/2" NB to 60" NB All size, dimensions, grades & other specs as required.