Alloys Handbook
Thermodur-72
Al Mg7Si3Mn
Special alloy for high temperatures.
Alloy Group
Rheinfelden
Recyclability
100%
Chemical Composition (%)
| Element | Min | Max |
|---|---|---|
| Mg | 7.00 | 8.00 |
| Si | 3.00 | 3.80 |
| Mn | 0.50 | 0.80 |
| Fe | — | 0.15 |
| Cu | — | 0.05 |
| Zn | — | 0.10 |
| Ti | — | 0.20 |
| Be | 0.00 | 0.01 |
Mechanical Properties
| Temper | Method | Rm | Rp0.2 | A% | HBW |
|---|---|---|---|---|---|
| F | Permanent mold | 200 | 120 | 1 | 80 |
Quick Applications
- Engine parts
Corrosion Resilience
Overall: Fair to Good
freshwater
Excellent
saltwater
Fair
industrial
Good
acidic
Limited