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Performance Index of Aluminum Air Cooling Fin Material
Alloy
Temper
Thickness (mm)
Tolerance (mm)
Clad Rate (%)
Mechanical Property
Tensile Strength (MPa)
Yield Strength (MPa)
Elongation Min. (%)
1060
O
0.35~0.40
±0.02
None
55~95
≥15
25
1100
O
0.35~0.40
±0.02
None
75~105
≥25
25
*Alloy/specification and mechanical property can be customized according to different requirements.
Aluminum Strip Sheet Used in Air Cooling Fin Material for Tubes
Model NO.: 1060, 1100
Place of Origin: Zhengzhou, China (Mainland)
Port of Loading: Qingdao, Shanghai
Trademark: Signi Aluminium
Transport Package: Carton Box
Specification: CE
Origin: Henan, China
HS Code: 760700900
Aluminum strip sheets are widely used as air cooling fin material for tubes in heat exchangers. These materials are specifically designed to provide high thermal conductivity and durability, making them ideal for industrial applications.
- **Good consistency** for any fin mill
- **Excellent mechanical properties** and surface condition
**Aluminum Brazing Material Production**
Complex assemblies can be transformed into a single unit with just one pass through a brazing furnace. Aluminum brazing uses a near-eutectic Al-Si filler alloy that melts at about 50°C lower than the core material. In serial heat exchanger production, the filler alloy is typically supplied via a thin clad layer on the core alloy.
**Compound Material**
Aluminum brazing materials are multi-layer compounds consisting of a core alloy that provides strength and longevity, along with a clad brazing filler. A protective layer can also be applied to prevent corrosion on the water side of radiators.
During the brazing process, only the clad filler alloy melts, while the core remains solid. The design and materials of the heat exchanger are optimized to ensure the best mechanical properties and corrosion resistance after brazing.
**Roll Cladding**
Two main cladding techniques are used today: roll bonding and cast cladding. Roll cladding is a solid-state welding process that joins similar or dissimilar aluminum alloys. It is commonly used in aircraft fuselage skins, bright products, and automotive brazing sheets. The cladding layers are bonded to the core using hot rolling.
Cast cladding involves casting multiple metal streams into a single ingot using a modified direct chill mold.
**Cladding Thickness**
Signi’s well-established roll bonding process ensures tight cladding thickness tolerances, which are crucial for consistent brazing results. Thin cladding layers of 5% or thicker layers of 20% can be produced based on application needs.