... Deg, 90 Deg, 180 DegWall thicknessSCH20, SCH30, SCH40, STD, SCH80, SCH100, SCH120, SCH160Surface treatmentblack paint, varnish, rust ... include elbows, reducers, tees, flanges, big elbows,socket pipe, concrete pumps and pipes, concrete pipeline, various groud pipes ... , horizontal tubes, straight pipe, cone pipe, bend pipe, rubber ring, cleaning ball, cleaning post with many ...