3102 aluminum foil is an industrial foil material based on the Al-Mn series (3xxx series) of aluminum alloys. It is widely utilized in the fields of heat exchangers and industrial functional foils, and is particularly well-suited for applications demanding high levels of formability, corrosion resistance, and welding/brazing performance. It serves as the mainstream specialized material for heat exchange fins in air conditioning and refrigeration systems.
Description
Product Features
- Excellent corrosion resistance
Ideal for humid, condensate, and salt-spray environments, ensuring long-term durability in harsh operating conditions.
- Good formability
Suitable for high-speed stamping, deep drawing, and fin forming with stable processing performance.
- High processing stability
Supports continuous rolling and mass production with consistent coil quality.
- Excellent brazing/welding compatibility
Ideal for automotive heat exchangers, condensers, evaporators, and radiators.
- Lightweight material
Helps reduce system weight while improving overall heat exchange efficiency.
- High thermal conductivity
Enables efficient heat transfer in compact heat exchanger structures.
- Uniform surface quality
Ensures stable coating, bonding, and fin adhesion during assembly processes.
- Strong fatigue resistance
Maintains performance under thermal cycling and long-term vibration conditions.
- Excellent dimensional stability
Suitable for precision components with tight manufacturing tolerances.
- Energy-efficient material
Contributes to improved fuel efficiency and reduced emissions in automotive systems.
Specifications
| Item | Specification |
|---|---|
| Alloy | 3102 (Al-Mn alloy, 3xxx series) |
| Chemical Composition (%) | Al: Balance; Mn: 0.05–1.50; Fe: ≤0.70; Si: ≤0.40; Cu: ≤0.05; Zn: ≤0.10; Ti: ≤0.05; Others: ≤0.05 |
| Thickness | 0.04 – 0.20 mm (common for fin stock) |
| Width | 20 – 1200 mm (slit-to-width available) |
| Temper | O / H14 / H16 / H18 |
| Inner Core Diameter (ID) | 75 mm / 150 mm / 200 mm / 300 mm (customizable) |
| Surface Finish | Mill finish (bright aluminum surface) |
Typical Applications
3102 aluminum foil is a high-performance material specifically engineered for advanced heat exchange applications.
Automotive Heat Exchange Systems
- Radiator.
- Condenser.
- Evaporator.
- Intercooler.
- Battery cooling systems (battery thermal management fins).
HVAC Systems
- Air conditioner heat exchanger fin stock.
- Condenser and evaporator components.
Industrial Heat Exchangers
- Coolers and heat exchangers.
- Industrial refrigeration systems.
- Precision temperature control equipment.
