Add various alloy elements to make cast iron matrix form martensite and precipitate a large amount of alloy carbide, thus significantly improving the wear resistance of cast iron white wear resistance cast iron. cast iron in alloy can be divided into Ni-hard cast iron (nickel chromium white cast iron), manganese tungsten (molybdenum) white cast iron and low chromium (chromium content 1.5%? 3%) white cast iron according to the type of alloy elements added.
No classification at present.