High Speed Steel Rolls, on account of the numerous advantages they offer over other rolls, are becoming increasingly popular among Steel Rolling Mills worldwide. High Speed Steel Rolls are successfully replacing other conventional rolls which were till date being used in bar mills, structural mills and strip mills. Since the High Speed Steel Rolls have a longer product life, the mills using these rolls vouch for lower roll costs per tonne, less mill down time in turn an increase in overall production.
| DESIGNATION OF ROLLS | HARDNESS | C | SI | MN | NI | CR | MO | V | W |
| HSS | 70-80 | 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 | 65-75 | 0.60-1.20 | 0.80-1.50 | 0.20-1.20 | 0.20-1.20 | 3.00-9.00 | 2.00-5.00 | 0.40-3.00 | 0.00-3.00 |
