High Speed Steel roll has a high hardness and outstanding wear-resistance in high temperature, by controlling the chemical composition and heat treatment process, the hardness of working layer of roll barrel can reach 75-95HSD, there is complex carbides of vanadium, wolfram, niobium, molybdenum in matrix of martensite, which commits homogeneous hardness throughout the working layer, and even wear in grooves. Chemical composition
These kind of rolls are mainly for grain and oil, foodstuff, with special alloy content in white iron and grey iron, makes it good for applications, our manufacturer has participated in grain rolls standard drafts and compiles, which has good experience and high cost performance.
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