Material Specifications
Mechanical Properties
| LM6 | Sand Cast | Die Cast |
|---|---|---|
| Proof Stress (N/mm²) | 60-70 | 120 |
| Tensile Stress (N/mm²) | 160-190 | 280 |
| Elongation % | 5-10 | 2-5 |
| Brinell Hardness | 50-55 | 55-60 |
| LM27 | Sand Cast | Die Cast |
|---|---|---|
| Proof Stress (N/mm²) | 80-90 | 90-110 |
| Tensile Stress (N/mm²) | 140-170 | 160-200 |
| Elongation % | 1-4 | 2-4 |
| Brinell Hardness | 70-85 | 75-90 |
| LM25 | Sand Cast LM25M | Sand Cast LM25TE | Sand Cast LM25TB7 | Sand Cast LM25TF |
|---|---|---|---|---|
| Proof Stress (N/mm²) | 80-100 | 120-150 | 80-110 | 200-250 |
| Tensile Stress (N/mm²) | 130-150 | 150-180 | 160 | 230-280 |
| Elongation % | 2-3 | 1-2 | 2.50 | 0-2 |
| Brinell Hardness | 50-55 | 55-60 | 55-60 | 90-110 |
| LM25 | Die Cast LM25M | Die Cast LM25TE | Die Cast LM25TB7 | Die Cast LM25TF |
|---|---|---|---|---|
| Proof Stress (N/mm²) | 80-100 | 130-200 | 90-110 | 220-260 |
| Tensile Stress (N/mm²) | 160-200 | 190-250 | 230 | 280-320 |
| Elongation % | 3-6 | 2-3 | 5-10 | 2-5 |
| Brinell Hardness | 55-65 | 75-95 | 65-75 | 90-110 |
Chemical Composition
| Chemical Composition | LM6 % | LM25 % | LM27 % |
|---|---|---|---|
| Copper | 0.1 max | 0.1 max | 1.5-2.5 |
| Magnesium | 0.1 max | 0.2-0.6 | 0.3 max |
| Silicon | 10.0-13.0 | 6.5-7.5 | 6.0-8.0 |
| Iron | 0.6 max | 0.5 max | 0.8 max |
| Manganese | 0.5 max | 0.3 max | 0.2-0.6 |
| Nickel | 0.1 max | 0.1 max | 0.3 max |
| Zinc | 0.1 max | 0.1 max | 1.0 max |
| Lead | 0.1 max | 0.1 max | 0.2 max |
| Tin | 0.05 max | 0.05 max | 0.1 max |
| Titanium | 0.2 max | 0.2 max | 0.2 max |
| Aluminium | Remainder | Remainder | Remainder |