High Chromium Cast Steel Rolls
When it comes to rolling mill performance, few components are as critical as the rolls themselves. Among the many roll materials available today, High Chromium Cast Steel Rolls stand out for their unique balance of strength, wear resistance, and heat stability.
But what makes them so effective—and could they be the right choice for your production line? Let’s take a closer look.
What Are High Chromium Cast Steel Rolls?
High Chromium Cast Steel Rolls are a type of cast steel roll alloyed with 8–15% chromium. By combining steel’s toughness with chromium’s hardness and oxidation resistance, these rolls offer excellent performance in demanding hot rolling applications.
Typical properties include:
- Hardness: Barrel hardness ranges from HSD 70–85, ensuring long wear life.
- Strength & Toughness: A steel matrix provides resilience under high loads.
- Thermal Resistance: High chromium content reduces thermal fatigue and cracking.
Properties of High Chromium Cast Steel Rolls
| Material Code | C | Si | Mn | Cr | Ni | Mo | V | W | P | S | Surface Hardness (HSD) Barrel | Surface Hardness (HSD) Neck | Recommended Applications |
| HCrS | 1.00–1.80 | 0.40–1.00 | 0.50–1.00 | 8.00–15.0 | 0.50–1.50 | 1.50–4.50 | — | — | ≤0.030 | ≤0.025 | 70–85 | 35–45 | Hot strip/strip mill work rolls, vertical rolls, and section universal mill horizontal rolls and vertical roll rings |
| HCrS I | 1.20–1.80 | 0.40–1.00 | 0.50–1.00 | 8.00–15.0 | 0.50–1.50 | 0.50–2.00 | 0.00–1.00 | 0.00–1.00 | 70–85 | 35–45 | |||
| HCrS II | 1.20–1.80 | 0.40–1.00 | 0.50–1.00 | 10.0–15.0 | 0.50–1.50 | 0.50–2.00 | 1.00–2.00 | 0.00–1.00 | 70–80 / 75–90 | 35–45 |
Applications
Because of their unique properties, High Cr Cast Steel Rolls are widely applied in:
- Hot strip mills and plate mills – as work rolls.
- Section mills – as horizontal rolls and vertical roll rings.
- Universal mills – for heavy-duty rolling where both wear resistance and toughness are essential.
If your mill struggles with roll wear, surface defects, or frequent roll changes, High Cr Rolls might be the upgrade you’re looking for.
Why Choose High Cr Rolls?
Compared to other cast steel or alloy rolls, High Chromium Rolls strike a smart balance:
- More wear resistance than conventional cast steel rolls.
- Better toughness than iron-based rolls such as indefinite chill rolls.
- Suitable for high-load, high-temperature rolling environments where ordinary materials fail.
👉 Have you experienced premature roll wear or cracking in your mill? High Cr Rolls could be the solution.
Partner with Us
At SATRAD GROUP, we don’t just supply rolls—we provide tailored solutions. Our engineers work closely with customers to recommend the most suitable roll grades for their unique rolling conditions.
Whether you’re operating a hot strip mill, section mill, or universal mill, our High Chromium Cast Steel Rolls are designed to maximize productivity and reduce downtime.
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