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Gray Cast Iron Class 35 (ASTM A48)
Chemical Composition
| Element | Symbol | Average Preferred Range % |
| Carbon | C | 2.9-3.2 |
| Silicon | Si | 1.1-1.7 |
| Manganese | Mn | 0.8-1.2 |
| Phosphorus | P | 0-0.15 |
| Chromium | Cr | 0.05-0.45 |
| Nickel | Ni | 0.05-0.1 |
| Molybdenum | Mo | 0-0.1 |
| Sulfur | S | 0-0.12 |
| Copper | Cu | 0.15-0.4 |
| Iron | Fe | Balance |
Mechanical Properties
| Property | Metric Values | Imperial Values |
| Tensile Strenght Min | 43 ksi | 300 MPa |
| Hardness (Brinell) | 210-260HB | 210-260HB |
Comparative Specifications
Applicable Casting Processes