Welded Pipe Eccentric Reducer: ANSI/ASME B16.9 Eccentric Reducers, ASTM A234 WPB, Butt Welded, Wall Thickness Schedule 20, Size 36 X 28 Inch. 36\" X 28\" Welded Eccentric Reducer, BW, SCH.20, A234 WPB Type: Eccentric Reducer. Materials: ASTM A234 WPB. Wall Thickness: SCH 20. Size: 36 X 28 Inch. Standard: ANSI/ASME B16.9. Quality: Tested by 100% X-Ray.