Air cooling radiators are essential components in various applications, such as automotive engines, HVAC systems and industrial equipment. The efficiency and performance of a radiator are significantly influenced by the materials used for the fins and core.
Aluminum is often used as air cooling radiators fin material because of it's lightweight, good thermal conductivity, corrosion-resistant and easy to manufacture.
Advantages:
- Excellent heat dissipation capabilities due to high thermal conductivity.
- Cost-effective compared to other metals.
- Can be easily extruded or stamped into complex shapes for enhanced surface area.
- Anodizing can enhance corrosion resistance and aesthetics.
| 1) Air cooling fin material | |||
| Alloy | Thickness(mm) | Tolerance(mm) | Clad ratio(%) |
| 4343/3003 | 0.25~0.3 | ±0.007 | 13~17 |
| OD：1800mm max | |||
| Width tolerance: ±0.02mm | |||
| Special specification and alloy can be produced accordingly to your requirement. | |||
| 2) Other fin materials | ||||||||
| Performance index of fin material | ||||||||
| Alloy | Temper | Thickness(mm) | Tolerance(mm) | Clad ratio(%) | Mechanical property | Application | ||
| Tensile strength | Yield strength | Elongation | ||||||
| σb（MPa） | σp0.2（Mpa） | δ(%)min | ||||||
| 3003 | H14 | 0.08~0.12 | ±0.005 | None | 150～200 | ≥120 | 1 | Evaporator fin and plate |
| 3003 | H26 | 0.3~0.35 | ±0.015 | None | 190～220 | ≥160 | 8 | Glass mounting bracket material |
| 3003 | H14 | 0.06~0.1 | ±0.005 | None | 150～200 | ≥120 | 1 | Radiator fin and plate |
| 4343/3003/ 4343 | H14 | 0.06~0.1 | ±0.005 | 8~12 | 150～200 | ≥120 | 1 | |
| 4343/3003/ 4343 | H14 | 0.08~0.12 | ±0.005 | 8~12 | 150～200 | ≥120 | 1 | Parallel condenser fin |
| 4343/3003/ 4343 | H14 | 0.1~0.12 | ±0.005 | 8~12 | 150～200 | ≥120 | 1 | Charge air cooler material |
| 4045/3003/ 4045 | H14 | 0.1~0.12 | ±0.005 | 8~12 | 150～200 | ≥120 | 1 | |
| 1060 | O | 0.35~0.4 | ±0.02 | None | 55～95 | ≥15 | 25 | Air cooling fin material for tubes |
| 1100 | O | 0.35~0.4 | ±0.02 | None | 75~105 | ≥25 | 25 | |
| 3003 | O | 0.2~0.3 | ±0.01 | None | 100～150 | ≥45 | 15 | Aluminum for heating element |
| 3003 | H16 | 0.5~0.7 | ±0.02 | None | 150~210 | ≥120 | 1 | |
| 4047 | H18 | 0.05~0.1 | ±0.005 | None | ≥200 | ≥170 | 0.5 | |
| 4A13 | H18 | 0.05~0.1 | ±0.005 | None | ≥190 | ≥16 | 0.5 | |
| 4104 | H18 | 0.05~0.1 | ±0.005 | None | ≥220 | ≥190 | 0.5 | |
| 3003(inner fin) | O | 0.2~0.3 | ±0.007 | None | 100～150 | ≥45 | 15 | Oil cooler |
| 6951(inner fin) | O | 0.2~0.3 | ±0.007 | None | 115~165 | ≥50 | 15 | |
| 3003(external fin) | H14 | 0.1~0.15 | ±0.005 | None | 150~200 | ≥120 | 1 | |
| 3003(inner fin) | O | 0.2~0.3 | ±0.007 | None | 100～150 | ≥45 | 15 | Engineering machinery |
| 3003(inner fin) | H12 | 0.2~0.3 | ±0.007 | None | 120～160 | ≥85 | 2 | |
| 3003(external fin) | H14 | 0.1~0.15 | ±0.005 | None | 150~200 | ≥120 | 1 | |
| ||||||||
| 4343/3003 | O | 1.2~3 | ±0.03 | 5~10 | 100～150 | ≥45 | 25 | Radiator fin and plate |
| 4343/3003/ 7072 | O | 1.2~3 | ±0.03 | 5~10 | 100～150 | ≥45 | 25 | |
| 4343/3003/4343 | O | 0.4~0.5 | ±0.02 | 8~12 | 100～150 | ≥45 | 27 | Evaporator fin and plate |
| 4045/3003/4045 | O | 0.8~1.2 | ±0.03 | 8~12 | 100～150 | ≥45 | 27 | |
| 4045/3003/ 4045 | O | 2~3 | ±0.05 | 8~12 | 100～150 | ≥45 | 25 | Charge air cooler material |
| 4045/3003/ 4045 | O | 0.5~0.8 | ±0.02 | 15~20, 10~15 | 100～150 | ≥45 | 25 | Oil cooler |
| 4104/3003/ 4104 | O | 0.5~0.8 | ±0.02 | 15~20, 10~15 | 100～150 | ≥45 | 25 | |
| 4104/3003/ 4104 | H14 | 0.6~0.8, 1.2~1.5 | ±0.02, ±0.03 | 13~17, 8~12 | 150～200 | ≥120 | 3 | Engineering machinery |
