High Silicon Molybdenum Ductile Iron
| Composition | Hardness | Elongation | Applications |
|---|---|---|---|
| 4-5 % Si | 240 BHN max. | 5 – 18 % | Heat resistance up to 1400oF (750oC) |
| 4 - 5 % Si, 0.5 – 2 % Mo |
200 – 260 BHN | 5 – 15 % | Heat resistance up to 1600oF (880oC). High temperature resistance. |
| 4 - 6 % Si up to 2 % Mo |
240 – 320 BHN | Up to 5 % | Heat resistance up to 1740oF (950oC). Very high temperature resistance. |
| 4 - 6 % Si 2 % Mo, V, Ni Up to 2 % Cr |
> 300 BHN | Very brittle | Good heat resistance. High temperature wear resistance. |