3003 aluminum foil is an AL-Mn series alloy.It is a rust-proof aluminum foil with a wide range of applications, but it is not strong enough and cannot be strengthened by heat treatment. Therefore, the cold working method is adopted to improve its mechanical properties. It is necessary to have good forming performance, high corrosion resistance and good weldability for machining parts.
| Alloy | Temper | Thickness (mm) | Width (mm) | Remark |
| 3003 | O,H22,H24,H26 | 0.014-0.2 | 60-1600 | Aluminum core, steel core |
Due to the good formability of 3003 aluminum foil, it is widely used in aviation meal boxes, takeaway boxes, It can also be used as an aluminum honeycomb core.
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