Copper base low resistance heating resistance alloy
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Description
Scope of application:
Heating resistance alloy is suitable for manufacturing thermal components in low-voltage electrical appliances such as thermal overload relay, low-voltage circuit breaker and household electrical appliances, and is an important material for manufacturing floor heating cables.
Performance characteristics:
The heating resistance alloy has low resistivity, good corrosion resistance, weldability and workability.
Brand and performance: (JB/T 6454)
Product performance:
Code name | Resistivity μΩ·m (20℃) | Maximum service temperature (℃) | Resistance temperature coefficient x 10-5/℃ | P-copper thermoelectric electromotive force μV /K (0-100℃) | Chemical composition % | Mechanical property | ||||
Tensile strength N/mm2 (not less than) | Elongation, %(not less than) | |||||||||
Mn | Ni | Cu | Diameter ≤1.00 mm | Diameter > 1.00 mm | ||||||
NC003 | 0.03 | 200 | < 100 | - 8 - | - | 1 | allowance | 210 | 18 | 25 |
NC005 | 0.05 | 200 | < 120 | - 12 | - | 2 | allowance | 220 | 18 | 25 |
NC010 | 0.10 | 220 | The < 60 | 18 | - | 6 | allowance | 250 | 18 | 25 |
NC012 | 0.12 | 250 | < 57 | - 22 | - | 8 | allowance | 270 | 18 | 25 |
NC012 | 0.12 | 200 | The < 38 | - | 3 | - | allowance | 290 | 20 | 25 |
NC015 | 0.15 | 250 | The < 50 | - 25 | - | 10 | allowance | 290 | 20 | 25 |
NC020 | 0.20 | 300 | The < 38 | - 25 | 0.3 | 14.2 | allowance | 310 | 20 | 25 |
NC025 | 0.25 | 300 | The < 25 | - 32 | 0.5 | 19 | allowance | 340 | 20 | 25 |
NC030 | 0.30 | 300 | The < 16 | - 34 | 0.5 | 23 | allowance | 350 | 20 | 25 |
NC035 | 0.35 | 350 | The < 10 | 37 | 1.0 | 30 | allowance | 400 | 20 | 25 |
NC040 | 0.40 | 350 | 0 | - 39 | 1.0 | 34 | allowance | 400 | 20 | 25 |
NC050 | 0.49 | 400 | < - 6 | 43 - | 1.0 | 44 | allowance | 420 | 20 | 25 |
