Work rolls are precision cylindrical components in heavy-duty rolling mills that directly contact and deform metal during rolling operations.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Diameter | 300-1500 mm | |
| Hardness | 55-85 HRC | |
| Maximum Load | Up to 10000 kN | |
| Balance Grade | G2.5 or better | |
| Barrel Length | 800-5500 mm | |
| Runout Tolerance | ≤ 0.01 mm | |
| Surface Roughness | Ra 0.1-1.6 μm | |
| Temperature Resistance | Up to 600°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
A heavy-duty rolling mill stand is a core industrial machine used in steel production facilities to reduce and shape steel slabs, blooms, or billets into desired cross-sectional profiles.
Industrial machine that reduces metal thickness through compressive forces between rotating rolls
Initial reduction stands in hot strip rolling that reduce slab thickness before finishing mills
A practical evidence checklist for RFQ preparation and supplier evaluation.
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Manufacturer profiles associated with Work Rolls.
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Work rolls directly contact and deform the metal, while backup rolls support work rolls to prevent bending under high rolling forces. Backup rolls are typically larger and harder to provide structural support.
Depending on material and operating conditions, work rolls typically require regrinding every 2-4 weeks of continuous operation. Complete replacement occurs after multiple regrinding cycles when minimum diameter limits are reached.
Common causes include thermal fatigue from rapid heating/cooling cycles, mechanical wear from abrasive materials, chemical corrosion from coolants, and impact damage from hard inclusions in metal stock.
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