Heat Exchanger Fin Copper Foil

This copper foil, with excellent heat-exchanging performance, high softening temperature and high electric conductivity, is mainly used for heat exchanger fins.

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This copper foil, with excellent heat-exchanging performance, high softening temperature and high electric conductivity, is mainly used for heat exchanger fins.

Chemical Composition

Cu+Sn+Te(wt%)	Te(wt%)	Sn(wt%)
≥99.90	0.005-0.015	0.05-0.15

Mechanical Properties

Temper	Temper	JIS	Tensile Rm MPa	Elongation A50 %	Hardness HV
Soft	M	O	220-275	≥15	50-70
1/4 hard	Y4	1/4H	240-300	≥9	65-85
Hard	Y	H	330-450		100-140
Extra hard	T	EH	380-510
Note We can provide products with other properties according to customers` requirements.

Physical Properties

Density 8.9g/cm³
Electrical conductivity(20°C): min 90%IACS for annealed to temper
min 80%IACS for rolled to temper
Thermal conductivity(20°C): 390W/(m°C)
Elastic modulus: 118000N/m
Softening temperature: ≥380°C

Sizes and Tolerances

Thickness (mm)	Thickness Tolerances (mm)	Width (mm)	Width Tolerances (mm)
0.03-0.06	±0.003	16-500	±0.08
>0.06-0.10	±0.005
> 0.10-0.20	±0.008

Specifications available

Thickness (mm)	Width (mm)	Temper
0.03-0.06	16-240	Y,T
>0.06-0.10	16-290	Y,T
>0.10-0.20	16-500	M,Y4,Y,T
Inner diameter of coil:78mm,102mm and 150mm.

Heat exchanger with copper foil fin is the mostly used heat exchangers for thermal energy conversion with wide range of applications such as air conditioning, refrigeration, automotive industry, electronic devices, and the like.
Our company’s main products for heat-exchanger: copper foil for fin C14420, C14415(CuSn0.15), with minimum thickness 0.035mm, brass foil for fin C2680, with minimum thickness 0.04mm, brass strip for tube C2200, C2600& GH65F(C2680), brass strip for header plate and tank.

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