Wear resistant steel plastic elbow, anti corrosion pipe is assembly with engineering plastic pipe which lined with a metal thin-walled pipe, the inner pipe is made of ultra high molecular weight polyethylene (UHMW-PE pipe). 1, Thermal power plant-----For fly ash pipeline, wear-resistant, non-scaling. 2, Mining industry-----Used to transport ore powder solids etc. and also can be used as a tailings pipe, concentrates pipe. 3, Dredging Industry-----Used to dredge sand pipe.