AA 6181 Aluminum Alloy
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Family: Aluminum Alloy
Magnesium-Silicon Alloy (Al-Mg-Si). AA designation 6181.
Performance Ratings
Performance Radar
Composition
Mechanical Properties
| Tensile Strength | 259.0 MPa |
| Yield Strength | 127.0 MPa |
| Elongation | 26.0% |
| Hardness (Rockwell) |
Chemical Composition
| Element | Percentage (%) |
|---|---|
| Al | 97.963 |
| Cr | 0.011 |
| Cu | 0.06 |
| Fe | 0.25 |
| Mg | 0.74 |
| Mn | 0.09 |
| Ni | 0.002 |
| Si | 0.85 |
| Ti | 0.023 |
| Zn | 0.012 |
Where to Buy AA 6181 Aluminum Alloy
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Description
AA 6181 is a low-copper automotive body sheet alloy derived from 6016, with extra silicon (0.8–1.2% Si) to provide strong natural aging and bake-hardening response while maintaining excellent corrosion resistance without copper's drawbacks. It is formulated for hemming-intensive automotive applications where the sheet must withstand sharp bends without cracking. Applications include automotive door inner and outer panels, hoods, and complex-geometry body components.