Alloys Handbook
Castadur-30
Al Zn3Mg3Cr
High-strength Al-Zn-Mg alloy. Polishes well.
Alloy Group
Rheinfelden
Recyclability
100%
Chemical Composition (%)
| Element | Min | Max |
|---|---|---|
| Zn | 2.20 | 2.80 |
| Mg | 2.50 | 3.00 |
| Si | — | 0.15 |
| Fe | — | 0.20 |
| Cu | — | 0.05 |
| Mn | 0.10 | 0.20 |
| Ti | — | 0.15 |
| Cr | 0.20 | 0.40 |
Mechanical Properties
| Temper | Method | Rm | Rp0.2 | A% | HBW |
|---|---|---|---|---|---|
| F | Sand casting | 200 | 110 | 3 | 60 |
Quick Applications
- Decorative parts
- Furniture hardware
Corrosion Resilience
Overall: Fair to Good
freshwater
Excellent
saltwater
Fair
industrial
Good
acidic
Limited