Electronic Use Brass Foil
Brass foil has very good plasticity (is the best in brass) and high strength, good machinability, easy welding, very stable to general corrosion. It is the most widely used variety of common brass.
Chemical Composition (wt %)
| Cu | Fe | Pb | Zn |
64-68% | 0.05 max. | 0.03 max. | Re. |
Mechanical Properties
| Temper | Temper | JIS | Tensile | Hardness |
1/2 Hard | H02 | 1/2H | 380-460 | 115-165 |
hard | H04 | H | 440-540 | 135-185 |
Extra hard | H06 | EH | 570-670 | 180 - 225 |
Note： We can provide products with other properties according to customers` requirements. | ||||
Physical Properties
| Density： 8.5g/cm³ Electronic conductivity(20°C): 25%IACS (annealed) Thermal conductivity(20°C): 120W/(m°C) Elastic modulus: 105000N/mm² Thermal expansion coefficient(20-300°C): 20 .2 X 10-6°C -1 |
Sizes and Tolerances
| Thickness (mm) | Thickness Tolerances (mm) | Width (mm) | Width Tolerances (mm) |
0.03-0.05 | ±0.003 | 15-200 | ±0.08 |
> 0.05-0.10 | ±0.005 | ||
> 0.10-0.15 | ±0.008 |
Brass foil has very good plasticity (is the best in brass) and high strength, good machinability, easy welding, very stable to general corrosion. It is the most widely used variety of common brass.
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