elbow Reliable provides forged, seamless & welded elbows (pipe fitting) of types 90degree Elbows, 45degree Elbows, 180deg elbow Reliable ... provides forged, seamless & welded elbows (pipe fitting) of types 90° Elbows, 45° Elbows, 180° Elbow of ... , SCH80, XS, SCH120, SCH160, XXS 3. Material: A234-WPB, A420-WPL6, A234-WP11, A234-WP5, A403-WP304, A403-WP304L, A403 ...