4043 aluminium alloy
4043 aluminium alloy is a wrought aluminium alloy with good corrosion resistance typically used as filler material for welding of aluminium parts.It contains high amounts of Silicon (between 4.5 and 6.0%) and trace amounts of other metals. It is grey in appearance and is sold as either welding wire or welding rod for TIG/MIG processes.
Chemical composition
Aluminium is the remainder.[1]
| Element | Percentage (%) |
|---|---|
| Silicon (Si) | 4.5-6.0 |
| Iron (Fe) | 0.80 |
| Copper (Cu) | 0.30 |
| Manganese (Mn) | 0.05 |
| Magnesium (Mg) | 0.05 |
| Zinc (Zn) | 0.10 |
| Titanium (Ti) | 0.20 |
| Beryllium (Be) | 0.0003 |
References
- ↑ "ALLOY 4043 WELD DATA SHEET" (PDF).
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