Roll property
Outer layer includes Cr, Mo, W, V, Ni and Nb high carbon alloy steel, compound carbide structure in the matrix organization form very hard wear resistant particle, control carbon content and comprehensive heat treatment, optimize wear resistant, fatigue resistance. Surface oxide thin film structure; keep the lower residual tress value.
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Mechanical property
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Numerical value
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Body hardness:
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HSD 75-90
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Neck hardness
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HSD 35-48
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Core tensile strength
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>=450Mpa
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APPLICATION SCOPE
High speed steel, semi-high speed steel centrifugal compound roll widely used for hot rolling strip steel work roll F5,F6 rack, high speed rod rolling mill pre-finish rolling rack and bar, finish rolling rack, narrow strip steel finish rolling rack.