90Deg LR Elbow OD: 1/2"-48" WT: SCH40-SCH160 material:A335 P91 LR & SR(90DEG, 45DEG), 3D, 5D CommodityElbow(45DEG, 90DEG ,180DEG )(LR&SR)Size1/2"-48"Pressure SCH40-SCH160StandardASME, GB, DIN, JIS MaterialA234 WPB, A420 WPL6, MSS SP75 WPHY52-70, A403 WP304(H), WP304L,WP316(H),WP316L,WP321, A234 WP5,WP9,WP11,WP12,WP22, WP91 90 Deg LR Elbow