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2004 Aluminium is aluminium alloy in 2xxx series, which has Copper as main alloying element and some impurity elements.[1][2]
| Element[1] | Weight Percentage (%) |
|---|---|
| Aluminum | 91.7 - 94.2 % |
| Copper | 5.5 - 6.5 % |
| Iron | <= 0.20 % |
| Magnesium | <= 0.50 % |
| Manganese | <= 0.10 % |
| Other, each | <= 0.05 % |
| Other, total | <= 0.15 % |
| Silicon | <= 0.20 % |
| Titanium | <= 0.05 % |
| Zinc | <= 0.10 % |
| Zirconium | 0.30 - 0.50 % |