... A234 ST37 ST35.8 Standard ASTM ANSI B16.9, DIN JIS black steel equal/reducing tee MaterialWPB ... ST37 ST35.8StandardASTM ANSI B16.9, DIN 2605\ 2615\ 2616\ 2617\ 28011\ 28013, JISSpecificationL/R(S/R) 45\ 90\ 180 Elbow ... 48”ConnectionWeldingShapeEqual, ReducingPackageWooden cases, Pallet or as Buyer's requestCertificateISO9001Applicationsoil, chemical industry,nuclear power station,construction ,paper ...