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Chromium 25
Chemical Composition
| Element | Symbol | Average Preferred Range % |
| Carbon | C | 2.8-3.0 |
| Chromium | Cr | 25-27 |
| Silicon | Si | 0.6-0.8 |
| Manganese | Mn | 0.6-0.8 |
| Molybdenum | Mo | 0.4-0.6 |
| Nickel | Ni | 0.8-1.0 |
| Copper | Cu | 0.8-1.0 |
| Sulphur | S | 0-0.06 |
| Phosphorus | P | 0-0.10 |
| Iron | Fe | Balance |
Mechanical Properties
| Property | Metric Values | Imperial Values |
| Compressive Strength Min | 429 ksi | 2960 MPa |
| Transverse Strength Min | 136 ksi | 938 MPa |
| Hardness (Brinell) | 650HB | 650HB |
Comparative Specifications
Applicable Casting Processes