... 3)Wall thickness:Sch5s-SGP 4)Elbow,tee,reducer,cap pipe fittings:1) Type range: elbow 90° LR or SR, elbow ... , and ISO4) Material: ASTM A234 WPB, carbon steel5) Surface treatment: transparent oil, rust-proof oil6) Nominal wall thickness: Sch5s, 10s, 20s ... , 160, STD, XS, XXS, and SGP7) Packing: in veneer cases Pipe Elbow (JT-CBW007)