Due to its excellent comprehensive properties, aluminum sheet has become a core preferred material in the home appliance manufacturing industry, and is widely used in the production of internal and external structural components, decorative panels, and functional parts of various appliances.
Description
General Specifications
| Item | Specification |
|---|---|
| Alloy | 1050 / 1060 / 1100 / 3003 / 3004 / 3105 / 5052 |
| Thickness (mm) | 0.3 – 2.0 |
| Common Thickness (mm) | 0.4 / 0.5 / 0.6 / 0.8 / 1.0 / 1.2 |
| Width (mm) | 500 – 1600 |
| Common Width (mm) | 1000 / 1220 / 1250 |
| Length (mm) | 1000 – 3000 (sheet) |
| Supply Form | Coil / Sheet |
| Temper | O / H12 / H14 / H16 / H18 |
| Surface Finish | Mill finish / Color coated (PE, PVDF) / Brushed / Anodized / Protective film |
| Film Option | Single-side or double-side protective film |
| Standards | ASTM B209 / EN 485 / JIS H4000 / GB/T 3880 |
Characteristics
- Lightweight
Aluminum is a light metal. Using aluminum sheets to manufacture home appliances can reduce the weight of the products, making them easier to move and install. For example, the use of aluminum sheets in the shells of refrigerators and washing machines can achieve this effect.
- Corrosion – resistant
Aluminum has good corrosion – resistance. Some aluminum alloys, such as 3003 and 5052, have even better corrosion – resistant properties after adding specific elements. They can remain stable in humid environments like the interior of refrigerators or the exterior of air – conditioners without rusting or deforming.
- Excellent thermal conductivity
Aluminum has good thermal conductivity. In home appliances such as air – conditioners and ovens, aluminum sheets can efficiently transfer and dissipate heat, which helps to improve the efficiency and performance of the equipment.
- Good workability
Aluminum sheets have excellent plasticity and can be processed into various shapes through 轧制 (rolling), 冲压 (stamping), and bending processes, meeting the diverse design needs of home appliances.
- Good appearance quality
The surface of aluminum sheets is smooth and can be easily colored, printed, or anodized. Color – coated aluminum sheets are often used to make the panels of home appliances, giving them a beautiful and fashionable appearance.
Processing Technology
- Anodizing treatment
It can improve the corrosion – resistance and surface hardness of aluminum sheets. For example, the inner panels of refrigerator freezers often use anodized embossed aluminum sheets of 1060 or 3003 alloys, which not only have good corrosion – resistance but also a beautiful appearance.
- Color – coating treatment
A specific coating is applied to the surface of the aluminum sheet through a certain process to give it rich colors, good gloss, and smoothness. Color – coated aluminum sheets are mainly used to make various panels of home appliances, such as refrigerator door panels and washing machine control panels.
- Rolling and stamping processing
The aluminum ingot is processed into aluminum sheets of different thicknesses through rolling, and then formed into the required parts through stamping, such as the inner and outer panels of refrigerators and the shells of washing machines.
Recommended Specifications by Application
| Application | Recommended Alloy | Thickness (mm) | Temper |
|---|---|---|---|
| Refrigerator cabinet / side panels | 3003 / 3105 | 0.6 – 0.8 | H14 |
| Refrigerator door panels | 3003 / 5052 | 0.8 – 1.2 | H14 |
| Washing machine housings | 3003 | 0.7 – 1.0 | H14 |
| Air conditioner outdoor unit panels | 3003 | 0.8 – 1.0 | H14 |
| Heat exchanger components | 1050 / 1060 | 0.3 – 0.5 | O |
| Premium decorative panels | 5052 | 0.8 – 1.2 | Brushed / Color coated |
