stainless steel pipe 1) OD:1/2"-48" 2) WT:SCH10-SCH160 3) ... is bright. 3.The caliber is round.Typestainless steel pipe Pipe OD1/2"-48"Pipe WTSCH10,SCH20,SCH30,STD,SCH40,SCH60,XS,SCH80,SCH100 ... ,2205,31803,310,310S,310H,347,347HPackingCustomized packing available (coating, end-beveling, cap etc.)Applications Petroleum, Gas, Electricity, Chemical, Construction, Boiler, Shipbuilding ...