Alloys Handbook
Silafont-90
Al Si17Cu4Mg
Hypereutectic alloy (Alusil) with very high silicon content. Corresponds to EN AC-48100.
Alloy Group
Rheinfelden
Recyclability
100%
Chemical Composition (%)
| Element | Min | Max |
|---|---|---|
| Si | 16.00 | 18.00 |
| Fe | — | 0.30 |
| Cu | 4.00 | 5.00 |
| Mn | — | 0.15 |
| Mg | 0.50 | 0.60 |
| Zn | — | 0.10 |
| Ti | — | 0.20 |
Mechanical Properties
| Temper | Method | Rm | Rp0.2 | A% | HBW |
|---|---|---|---|---|---|
| T5 | Permanent mold | 295 | 260 | 0.5 | 125 |
Quick Applications
- Linerless cylinder blocks
- Wear-resistant parts
Corrosion Resilience
Overall: Fair to Good
freshwater
Excellent
saltwater
Fair
industrial
Good
acidic
Limited