Chemical Composition
| Element | Weight % |
|---|---|
| Copper | Bal. |
| Tin | 17.5 - 18.5 |
| Phosphorus | 0.05 - 0.15 |
| Nickel | 0.6 - 1 |
| Silicon | 4.5 - 5 |
| Antimony | 8.5 - 10 |
| Iron | ≤0.03 |
| Lead | ≤0.1 |
| Aluminium | ≤0.15 |
| Zinc | ≤0.6 |
| Manganese | ≤0.01 |
| Sulfur | ≤0.01 |
| Oxygen | ≤0.03 |
Mechanical Properties
| Room temperature | |
| Yield strength | ≥400 MPa |
| Tensile strength | ≥520 MPa |
| Elongation | ≥30.0 % |
| Tightness | ≥99.5 % |
| Hardness | ≥170 HV |
Morphology
| Particle size distribution | ||
|---|---|---|
| D10 | D50 | D90 |
| ≥15 µm | 30 - 40 µm | ≤60 µm |
| Sphericity | ≥0.9 | |
| Packing density | ≥4.2 cm³ | |
| Packing density | ≥4.5cm³ | |
| Flowability | ≤25 s/50g | |
