1.90 Degree LR Carbon steel Elbow 2.Material:ASTM A234 WPB/WPC/WPR ... .Products:ELBOW(11.25,22.5,30,45,90,180Degree,LR and SR), TEE(Equal tee,Reducing tee,Barred tee,Split ... industry, domestic installation and other. ASTM A234 WPB 90 Degree LR Carbon steel Elbow