main characteristics
- Very good machining
- Good polishing
- Good dimensional stability
- Good weldability with electron beam
- Limited fusion weldability
It is the best known of the 7000 series alloys for its mechanical characteristics. Its resistance can be compared with numerous steels. Due to the high resistance/density ratio, it is often used in extreme applications such as aeronautics, aerospace, nuclear, automotive, etc.
Elements | Si | Fe | Cu | Mn | Mg | Cr | Zn | - | - |
---|---|---|---|---|---|---|---|---|---|
Min | - | - | 1.2 | - | 2.1 | 0.18 | 5.1 | - | - |
Max | 0.4 | 0.5 | 2 | 0.3 | 2.9 | 0.28 | 6.1 | 0.2 | Remainder |
main characteristics
- Very good machining
- Good polishing
- Good dimensional stability
- Good weldability with electron beam
- Limited fusion weldability
Applications
- Railway rails
- Mechanical Engineering
- Automation
- Jigs and accessories
- Tools