Performance Comparison: Chart One
Performance
|
Unit
|
Aluminum
|
Copper
|
Remarks
|
Tensile
Strength
|
N/m㎡
|
120
|
260
|
|
Resistivity（20℃）
|
Ω.mm2/m
|
≤0.028264
|
≤0.017241
|
|
Temperature
Resistance Coefficient
|
aR /℃-1
|
0.00429
|
0.00393
|
Pure
Metal
|
Thermal
Expansion Coefficient
|
Μm/m. ℃
|
23.8
|
16.6
|
|
Heat
Transfer Coefficient
|
W/m.K
|
226
|
402
|
|
Melting
Point
|
℃
|
660.4
|
1083
|
Pure
Metal
|
Boiling
Point
|
℃
|
2467
|
2567
|
Pure
Metal
|
Density
|
g/mm³
|
2.703
|
8.92
|
Pure
Metal
|
Performance Comparison: Chart Two
Performance
|
Enameled
Aluminum Wire
|
Enameled
Copper Wire
|
Direct
Current Resistance（IACS）
|
100%
|
62%---65%
|
Breakdown
Voltage
|
Good
|
Good
|
Film
Continuity
|
Good
|
Good
|
Elongation
|
Excellent
|
Excellent
|
Resilience
|
Good
|
Excellent
|
Coiling
|
Good
|
Good
|
Degradation
Resistance
|
Good
|
Excellent
|
Single
Paint
|
Excellent
|
Good
|
Repeated
Paint
|
Excellent
|
Bad
|
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