... ,metallurgy slag ,clinker,sand, limestone and concrete,etc. Abrasion Resistant PipeSHS-self-propagating ceramic composite steel pipe and fittings ... inner surface, and favorable liquor resistance. . Features: High abrasion resistant: Vickers hardness of the corundum lining is HV1100 to1500 ... high as that of tungsten-cobalthard alloys, and the abrasion resistance is 20 times as carbon steel pipes. Its ...