... ) 3)WT: SGP,STD,SCH40,SCH80 4)Material:CS,AS male and female flanged elbow 90 degree 1) Type: 90° ELBOW LR ... "(DN15-3000)3) Varieties: SCH20, SGP, STD, SCH40, XS, SCH80, XXS, SCH160 ……4) Material: Carbon steel: ASTM A234 GR WPB , ST37 ... partners at home and abroad and creating a glorious future. male and female flanged elbow 90 degree