High-Speed Steel Rolls (HSS)
The exceptional hardness, superior wear resistance, and excellent thermal fatigue strength of High-Speed Steel Rolls(HSS) make them an indispensable choice for modern rolling mills aiming for higher productivity and extended roll life.
What Are High-Speed Steel Rolls (HSS)?
High-Speed Steel Rolls are manufactured with alloys rich in vanadium, molybdenum, tungsten, and chromium. This composition creates a dense microstructure with finely distributed carbides, ensuring extraordinary resistance against wear and deformation under extreme rolling conditions.
Unlike conventional rolls, HSS rolls retain their hardness and toughness even at elevated temperatures, making them particularly effective in finishing stands where precision, durability, and surface quality matter most.
Properties of High-Speed Steel Rolls (HSS)
| Material Code | C | Si | Mn | Cr | Ni | Mo | V | Nb | W | P | S | Surface Hardness (HSD) Barrel | Surface Hardness (HSD) Neck | Recommended Applications |
| HSS | 0.50–1.50 | 0.80–1.50 | 0.50–1.00 | 3.00–9.00 | 0.20–1.50 | 2.00–5.00 | 0.40–4.00 | — | 0.00–3.00 | ≤0.030 | ≤0.025 | 75–85 / 80–98 | 30–45 | Hot strip/strip mill work rolls, vertical rolls and pinch rolls, section universal mill horizontal rolls and vertical roll rings, high-speed wire rod finishing mill rolls, bar mill finishing mill rolls |
| HSS I | 1.50–2.20 | 0.30–1.20 | 0.40–1.20 | 3.00–8.00 | 0.00–1.50 | 2.00–8.00 | 2.00–9.00 | 0.00–1.00 | 0.00–8.00 | 75–95 | 30–45 |
Key Features and Advantages
- Superior Hardness & Wear Resistance – HSS rolls maintain their high hardness throughout operation, significantly reducing wear rates.
- Excellent Thermal Stability – Withstand the severe heat cycles of high-speed rolling without cracking or spalling.
- Longer Campaign Life – Reduced roll consumption translates into fewer roll changes and higher mill availability.
- Enhanced Product Quality – Provide better surface finish and dimensional accuracy, especially in flat and long product mills.
- Cost Efficiency – Though initial investment is higher, the extended roll life and reduced downtime result in lower overall cost per ton of steel rolled.
Applications of HSS Rolls
High-Speed Steel Rolls are widely adopted in:
- Finishing stands of hot strip mills
- Plate mills requiring excellent surface quality
- Bar and wire rod mills where wear resistance is critical
- High-speed rolling operations where conventional rolls fail to perform
Why Choose HSS Rolls from SATRAD GROUP?
At SATRAD GROUP, we supply HSS rolls engineered with precision metallurgy and stringent quality control. Each roll is designed to meet the specific rolling conditions of your mill, ensuring consistent performance and long service life. Our expertise helps clients achieve:
- Higher rolling efficiency
- Reduced operational costs
- Improved final product quality
If your mill demands top-tier performance and reliability, High-Speed Steel Rolls are the solution. Get in touch with SATRAD GROUP today, and let us help you maximize efficiency and productivity with rolls you can trust.
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