Alloys Handbook
EN AC-45100
Al Si5Cu3Mg
Heat-treatable alloy for critical engine parts.
Alloy Group
AlSiCu
Recyclability
100%
Chemical Composition (%)
| Element | Min | Max |
|---|---|---|
| Si | 4.50 | 6.00 |
| Fe | — | 0.50 |
| Cu | 2.60 | 3.60 |
| Mn | — | 0.55 |
| Mg | 0.20 | 0.45 |
| Cr | — | 0.05 |
| Ni | — | 0.10 |
| Zn | — | 0.20 |
| Pb | — | 0.10 |
| Sn | — | 0.05 |
| Ti | — | 0.20 |
| OtherEach | — | 0.05 |
| OtherTotal | — | 0.15 |
Mechanical Properties
| Temper | Method | Rm | Rp0.2 | A% | HBW |
|---|---|---|---|---|---|
| T6 | Permanent mold | 240 | 170 | 2 | 85 |
Quick Applications
- Cylinder heads
- Intake manifolds
Corrosion Resilience
Overall: Fair to Good
freshwater
Excellent
saltwater
Fair
industrial
Good
acidic
Limited