... )Wall thickness:Sch5s-SGP 4)Elbow,tee,reducer,cap pipe fittings:1) Type range: elbow 90° LR or SR, elbow 45 ... : ASTM A234 WPB, carbon steel5) Surface treatment: transparent oil, rust-proof oil6) Nominal wall thickness: Sch5s, 10s, 20s, 40s, Sch10, 20 ... , STD, XS, XXS, and SGP7) Packing: in veneer cases Pipe Fittings for building (JT-CBW011)