Copper based low resistance heating alloys
The copper-based low resistance heating alloy is widely used in low-voltage circuit breaker, thermal overload relay, and other low-voltage electrical product. It is one of the key materials of the low-voltage electrical products. The materials produced by our company have the characteristics of good resistance consistency and superior stability. We can supply all kinds of round wire, flat and sheet materials.
Round wire: diameter 0.020mm-10.0mm
Flat wire: thickness 0.025mm-4.0mm, width 0.040mm-4.0mm
Characteristic | Resistivity ( 200C μ Ω . m) | Max. working Temperature ( 0C) | Tensile Strength (Mpa) | Melting point (0C) | Density ( g/cm3) | TCR x10-6/ 0C (20~600 0C) | EMF vs Cu (μ V/ 0C) (0~100 0C) |
Alloy Nomenclature | |||||||
NC035(CuNi30) | 0.35± 5% | 300 | 350 | 1150 | 8.9 | < 16 | -34 |
Mechanical Properties | Metric | Comments |
Tensile Strength, Ultimate | 372 - 517 MPa | |
Tensile Strength, Yield | 88.0 - 483 MPa | Depending on temper |
Elongation at Break | 45.0 % | in 381 mm. |
Modulus of Elasticity | 150 GPa | |
Poissons Ratio | 0.320 | Calculated |
Charpy Impact | 107 J | |
Machinability | 20 % | UNS C36000 (free-cutting brass) = 100% |
Shear Modulus | 57.0 GPa |