Product Info

Choosing the right roll material in hot rolling processes is essential to reduce surface defects, enhance precision, and minimize production waste—directly lowering long-term costs for factories.

1. Why Roll Material Matters in Hot Rolling
Hot rolling is critical in the production of metal sheets, bars, and coils. During this process, rolls must endure:
・ Extremely high temperatures
・ Heavy friction and compressive stress
・ Continuous wear and thermal fatigue

If the roll material lacks these qualities, problems arise—such as rough surfaces, dimensional errors, and equipment failure.

2. How Roll Material Affects Product Quality
Using the right roll material leads to:
・ Smooth, defect-free product surfaces
・ Stable and precise dimensions
・ Extended roll life, reducing downtime and maintenance
・ Fewer breakdowns and safety incidents

This is especially vital for high-spec materials like silicon steel or automotive-grade steel, where surface finish and precision are non-negotiable.

3. Risks of Using Inferior Roll Materials
Inadequate roll materials may cause:
・ Surface scale build-up and contamination
・ Scratches, dents, or cracks on the product
・ Heat-induced deformation of the roll itself

These issues escalate scrap rates, increase rework costs, and lead to production delays—especially in Thai steel plants focused on export-grade products.

4. How to Select Suitable Roll Materials
Important criteria include:
・ The metal type being processed
・ Temperature and pressure conditions
・ Surface finish requirements
・ Budget and available maintenance resources

5. Solution: High-Performance Rolls from Fujilloy
Fujilloy, a trusted name in roll manufacturing, delivers durable and precise rolls designed for harsh hot rolling environments.

Specifications:
・ Roll sizes up to φ584×384 mm
・ Corrective rolls up to φ290×785 mm

Benefits of Fujilloy Rolls:
・ High resistance to heat and pressure
・ Smooth surface finish reduces defect rates
・ Long operating life = fewer replacements
・ Less production waste = more cost savings

Ideal for factories aiming to boost yield and product consistency in hot rolling operations.

■ For more details, please download the PDF or feel free to contact us for further information.

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