... ,metallurgy slag ,sand,and concrete,etc. Abrasion resistant pipe steel-corundum ceramic composite pipe to convey pulvarized coal and fly ash and ... works , mining, metaullurg industry, etc.The out part of the pipe is steel and inner part of is highly wear- resistant and anti ... tens of times longer than normal pipe. We can not only produe straight pipe, but also elbow, T, Y, reducer and so ...