Elemental content | Minimum | Maximum |
Weight (%) | ||
Silicon | 0.4 | 0.8 |
Iron | - | 0.7 |
Copper | 0.15 | 0.4 |
Manganese | - | 0.15 |
Magnesium | 0.8 | 1.2 |
Chromium | 0.04 | 0.35 |
Zinc | - | 0.25 |
Titanium | - | 0.15 |
Other elements | no more than 0.05% each, 0.15% total | |
Remainder Aluminum | 95.85 - 98.56 |