Manufacturer Of Large Diameter Seamless Steel Pipes  Size : Ф10” up to Ф 34” (Manufacturing commenced up to 24”)  Wall Thickness : 6 to 50 mm  Material of Construction : • Carbon Steel – ASTM A53, A106, (Gr. A,B,C); A333 (Gr. 3,6) • Alloy Steel – ASME SA335 P5, P9, P11, P12, P22, P91, P92