hss mill roll
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High Speed Steel Roll （ HSS roll）
Grade properties: The outer layer is high-carbon alloy steel containing Cr, Mo, W, V, and Nb. The complex carbide structure is embedded in the tempered martensite structure. The carbon content and comprehensive heat treatment are controlled to optimize wear resistance and resistance to corrosion. Thermal fatigue. The oxide film structure on the surface maintains a low residual stress value.
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