1.90 Degree LR Carbon steel Elbow 2.Material:ASTM A234 WPB/WPC/WPR 3.Standard:ANSI ... B16.9 4.Size:1/2"-60" 1.Products:ELBOW(11.25,22.5,30,45,90,180Degree,LR and ... tee,Reducing tee,Barred tee,Split tee,Cross.), Pipe REDUCER(concentric reducer,eccentric reducer),CAP 2.Thickness: SCH20, SGP, STD, SCH40, XS, SCH80 ... and other. ASTM A234 WPB 90 Degree LR Carbon steel Elbow