Premium Quality High Speed Steel Rolls
Our High Speed Steel Rolls are engineered for exceptional performance with outstanding hardness retention, superior wear resistance, and excellent thermal stability. These specialized rolls feature advanced high-speed steel composition with optimized carbide distribution, offering exceptional hot hardness and extended service life, making them ideal for high-speed rolling operations and demanding applications requiring superior wear resistance and edge holding capabilities.
Dynamic Rolls specializes in manufacturing high-quality High Speed Steel Rolls with decades of industry expertise. Each roll is precision-engineered using advanced powder metallurgy or cast technology incorporating controlled carbide formation. Our High Speed Steel Rolls feature exceptional hardness retention at elevated temperatures, superior red hardness properties, and outstanding wear resistance, ensuring consistent quality, minimal roll consumption, and extended campaign life in the most demanding high-speed rolling mill applications.
Chemical Analysis
| Designation of Rolls | Material Code | C | Si | Mn | Ni | Cr | Mo | V | W |
|---|---|---|---|---|---|---|---|---|---|
| HSS | HSS | 1.50 - 2.20 | 0.30 - 1.00 | 0.40 - 1.20 | 0.00 - 1.50 | 3.00 - 8.00 | 2.00 - 8.00 | 2.00 - 9.00 | 0.00 - 2.00 |
| S- HSS | S- HSS | 0.60 - 1.20 | 0.80 - 1.50 | 0.50 - 1.00 | 0.20 - 1.20 | 2.00 - 5.00 | 2.00 - 5.00 | 0.40 - 3.00 | 0.00 - 3.00 |
Physical Properties
| Designation of Rolls | Material Code | Barrel Hardness (HSD) | Neck Hardness (HSD) | Tensile Strength (Mpa) |
|---|---|---|---|---|
| HSS | HSS | 75 - 85 | 30 - 45 | 400 - 500 |
| S - HSS | S - HSS | 75 - 88 | 30 - 45 | 400 - 500 |
Microstructure
A Small amount of tempered martensite + carbide + carbon
Applications
| Designation of Rolls | Material Code | Application |
|---|---|---|
| HSS | HSS | Rolled strip, bar finishing roller, high speed wire pre-finishing, steel roller universalrolling mill, wide plate mill work roll |
| S - HSS | S - HSS | Rough rolling hot strip mill work roll, cold rolled strip steel work roll, intermediate roll |
Our High Speed Steel Rolls are manufactured using premium grade high-speed steel alloys with controlled carbide formation and advanced metallurgical processes. The sophisticated microstructure featuring uniformly distributed carbides provides exceptional wear resistance and hot hardness properties. We employ state-of-the-art manufacturing technology including powder metallurgy or precision casting, advanced heat treatment processes, and rigorous quality control to ensure each roll delivers outstanding performance, superior surface finish, and maximum service life in high-speed and demanding rolling applications.
