flange:pipe flange, stardard:ISO,ASTM,ASME,API,MSS,EN,BS,DIN,JPI,SABS material:alloy steel.stainless steel,carbon steel Flange Flanges, neck flangeSize1/2’—32’’TypesSlip on ,welding neck,blind,threadedStandardISO,ASTM,API,MSS,EN,BS,DIN,JPI,SABSMaterialAlloy steel,stainless steel, carbon steel.CertificateISO9001:2008,ISO1400 APIPackingWooden case or According to customer’s requirment ...