... : 1/2" - 72"3) Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplexsuper duplex stainless steelASTM: Carbon Steel: ASTM A234 WPB, WPC; ASTM A420 WPL9 ... ,SCH30,SCH40,SCH60, STD, SCH80, SCH100, SCH120, SCH160, XXS, SGP6) Packing: in Plywood Pallet or Cases Production Name45 / 90 / 180 , Long ... also produce according to the customer requirement. P 91 Alloy steel Cross for power plant