A335 P11, P12, P22, P91 Alloy STEEL
• Main Steel Pipe Grades - P2, P5, P9, P11, P12, P22, P23, P91, P92 Alloy Steel A335 P11, P12, P22, P91 Product Specification Product ASTM A335 P11, P12, P22, P91 Seamless Alloy Tubes Specification ASTM A335/A335M, ASME SA335 Type Seamless Size 50.8 to 860 mm Thickness 2.77 to 100mm