... steel(seam or seamless),stainless steel,alloy steel2.Size:1/2'' TO 72''3.Thickness:Sch10--XXS4.Standard:ASME ... ISO9001,PED and API approvedSpecifications Materialcarbon steel, stainless steel, alloy steelTechniquewelded, bending,forged, ... steel fittings,nippleWTSch5-SchXXS ,such as SCH20, SCH40, STD, SCH80, SC100, SCH120, and SCH160StandardANSI,ASME, ... weld forged steel fittings