Aluminum alloy composite foil for brazed heat exchanger
 
1. Overview
Aluminum alloy composite foil for brazed heat exchanger is a material specially used for heat exchange equipment. It is widely used in fields such as automotive cooling systems due to its light weight, high thermal conductivity, good mechanical properties and corrosion resistance. Its use not only helps to reduce the weight of equipment and improve fuel economy, but also improves the service life of the heat exchanger.
 
2. What is aluminum alloy composite foil for brazed heat exchanger?
Aluminum alloy composite foil for brazed heat exchanger is a multi-layer aluminum alloy material manufactured by rolling and composite processes, usually composed of alloy layers with different properties. It has good brazing performance and can ensure the reliability and stability of the heat exchanger in high temperature environments.
 
3. Main features of aluminum alloy composite foil for brazed heat exchanger
1. Lightweight: The density of aluminum alloy is low, which helps to reduce the weight of equipment.
2. High thermal conductivity: Good thermal conductivity and improved heat exchange efficiency.
3. Strong corrosion resistance: Special alloy composition can enhance the corrosion resistance of the material and extend its service life.
4. Excellent mechanical properties: Composite aluminum alloy has good strength and processing performance, which is convenient for manufacturing heat exchangers with various complex structures.
 
4. Tolerance size
| Category | Size range | Tolerance |
|----------|-------------|----------|
| Width | 1000~1300mm | ±1.5mm |
| | 300~1000mm | ±1mm |
| | 100~300mm | ±0.5mm |
| | 16~100mm | ±0.2mm |
| Thickness | 0.16~0.2mm | ±0.012mm |
| | 0.12~0.16mm | ±0.01mm |
| | 0.07~0.12mm | ±0.008mm |
 
5. Specifications
Comply with the following national standards:
- GB/T 228
- GB/T 3199
- GB/T 3246
- GB/T 6608
- GB/T 6987
- GB/T 8170
- GB/T 16865
 
6. Production process
Aluminum alloy composite foil for brazed heat exchangers is mainly produced by the following processes:
1. Rolling process: The aluminum alloy is processed to the required thickness through a precision rolling mill.
2. Composite process: The multi-layer composite technology is used to make different alloy layers closely combined to improve the material performance.
 
7. Application field
Aluminum alloy composite foil for brazed heat exchangers is widely used in the following fields:
1. Automobile industry: used for automobile radiators, intercoolers, evaporators, condensers and other components.
2. HVAC system: heating, ventilation and air conditioning heat exchange equipment.
3. Industrial heat exchanger: heat exchange equipment used in energy, chemical industry, machinery and other fields.
 
8. Why choose Chalco?
1. Rich production experience: Chalco has been engaged in the production of aluminum alloy materials for a long time and has mature technology.
2. Strict quality control: All products meet national and industry standards to ensure stability and reliability.
3. Advanced production technology: precision rolling and composite technology are used to ensure product performance.
4. Customized service: aluminum alloy composite foils with different specifications and performances can be provided according to customer needs.
 
9. FAQ
1. Is this material suitable for all types of heat exchangers?
Yes, brazed aluminum alloy composite foils can be used for most heat exchangers. The specific application needs to select the appropriate specifications according to the design requirements.
 
2. How does this material ensure corrosion resistance? **
By optimizing the alloy composition, improving the anti-oxidation and anti-corrosion performance, and extending the product life.
 
3. Does it support customized specifications?
Yes, adjust the size, tolerance and alloy composition according to customer needs to meet specific application scenarios.