Abrasion resistant pipe of conveying pulvarised coal ,fly ash,mine dust,metallurgy slag ,sand,and concrete,etc. Abrasion resistant pipe steel-corundum ceramic ... mining, metaullurg industry, etc.The out part of the pipe is steel and inner part of is highly wear- resistant and anti-crrosion ... to HRC 90. The service life of this kind pipe is tens of times longer than normal pipe. We can not only produe ...