Graphite steel roller
All rollers have passed the 1s09001:2008 certification. The characteristics of graphite cast steel rollers are similar to those of diamond rollers, mainly characterized by the presence of a small amount of fine graphite in their microstructure, which will increase their ability to resist fire cracks and prevent the adhesion of oxide scales. Suitable for primary and roughing mill stands. The performance of Graphite steel rollers is similar to that of hard alloy rollers, and the matrix structure is also similar. Due to its excellent thermal conductivity, graphite can greatly reduce the thermal stress generated during the molding process. Meanwhile, due to the use of free point bluestone, better fire resistance and crack resistance can be achieved. The normal hardness of graphite steel is HS 35-60.
Parameter details
Chemical Composition%
| Model | Carbon | Silicon | Manganese | Chromium | Nickel | Molybdenum |
| GS140 | 1.30-1.50 | 1.20-1.60 | 0.50-1.00 | 0.40-1.00 | 0.50-1.30 | 0.20-0.60 |
| GS160 | 1.50-1.70 | 1.00-1.70 | 0.60-1.10 | 0.60-1.00 | 0.40-1.10 | 0.20-0.50 |
| GS190 | 1.80-2.00 | 0.80-1.50 | 0.60-1.00 | 0.50-2.00 | 0.60-2.20 | 0.20-0.80 |
Advantages and Applications
| Model | hardnessHS | Tensile strengthMPa | SizeMM | Unit N.w KGS | Application |
| AS60 | 35-50 | ≥650 | Φ600-1600 | 1000-50000 | Initial and roughing mills, roughing stands for large section mills, roughing stands for bar and wire mills, and decomposition rolls for railway and profile universal series |
| AS651 | 35-45 | ≥650 | |||
| AS70Ⅱ | 35-45 | ≥680 | |||
| AS75 | 35-50 | ≥680 | |||
| AS75I | 35-50 | ≥700 |