3003 Aluminum Coil Introduction
3003 aluminum coil are widely used in construction, transportation, food and beverage and other industries. This alloy has good corrosion resistance and a smooth/semi-smooth surface that is easy to form and machine.
In addition, 3003 aluminum coil in the H18 state is rolled aluminum sheet, which is work-hardened after casting and rolling. It does not need to be annealed to achieve a high degree of hardness. On the contrary, in the H24 tempered state, the tensile strength of 3003 coils in the incompletely annealed state is 50 MPa higher than in the fully annealed state.
Chemistry Composition Parameter
| Alloy | Fe | Si | Cu | Mn | Mg | Cr | Zn | Ti | Other(each) | Other(total) | Al |
| 3003 | 0.7 | 0.6 | 0.05-0.20 | 1.0-1.5 | – | – | 0.1 | – | 0.05 | 0.15 | Reminder |
Application of 3003 aluminum coil
| Alloy | Temper | Typical product |
| 3003 | H14,H16,H18,H24 | roofs, siding, acoustic ceilings and corrugated panels, storage tanks, heat exchangers, air conditioner evaporators, automotive radiators, and refrigerator liners,etc |
3003 H18 aluminum coil use for Honeycomb Core
Strength of Delin aluminium factory
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Delin Aluminum is a marine aluminum brand of AOYIN METALS, supplying certified marine-grade aluminum plates since 2007.











