... .Be available from stock 4.API, TUV...certificate 5.Wherever needed CARBON STEEL FITTINGS/BUTT--WELDING FITTINGSMaterialSteel, Alloy, SSStandardASTM ANSI B16 ... /2”-24” 24”-48”ConnectionWeldingShapeEqual, ReducingPackageWooden cases, Pallet or as Buyer's requestCertificateAPI, TUV, etcApplicationsoil, chemical industry,nuclear power station,construction ...