Graphitic Steels are high carbon containing hypereutectoid Steels. They combine high strength with good wear resistance against fire cracking.
They are normalized and stress relieved for better mechanical properties.
These rolls have a negligible hardness drop.
| Roll Grade | Barrels Hardness (ShC) | C (%) | Si (%) | Mn (%) | Cr (%) | Ni (%) | Mo (%) | Tensile Strength (N/mm²) | Bending Strength (N/mm²) |
|---|---|---|---|---|---|---|---|---|---|
| GSH40 | 40 | 1.5-2.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.2 | 0.5-2.0 | 0.2-0.8 | 500-750 | 700-1100 |
| GSH44 | 44 | 1.5-2.5 | 0.5-1.5 | 0.5-1.5 | 1.0-1.5 | 0.5-2.0 | 0.2-0.8 | 500-750 | 700-1100 |
| GSH48 | 48 | 1.5-2.5 | 0.5-1.5 | 0.5-1.5 | 1.0-1.5 | 0.8-2.5 | 0.2-0.8 | 550-750 | 800-1100 |
| GSH52 | 52 | 1.5-2.5 | 0.5-1.5 | 0.5-1.5 | 1.2-1.8 | 1.5-2.5 | 0.2-0.8 | 550-800 | 900-1200 |
| GSH56 | 56 | 1.5-2.5 | 0.5-1.5 | 0.5-1.5 | 1.2-1.8 | 1.5-2.5 | 0.2-0.8 | 550-800 | 900-1200 |