Low Resistance Constantan Copper Nickel Alloy / CuNi 44 Wire

• Product Type: Wire
• Material: CuNi
• Carbon Content: Low Carbon
• Surface: Golden
• Condition: Soft 1/4h 1/2h H
• Dimensions: 0.02~6.0mm
• Model NO.: CuNi 44
• Resistivity: 0.47±3%
• Density(g/cm3): 8.9
• Elongation: 25 %
• Conductor Type: Solid
• Application: Heating
• Transport Package: Carton Box
• Specification: Base on customers′ request
• Trademark: Allotech
• Origin: China
• HS Code: 7408220000
• Production Capacity: 20 Tons Every Month

Product Description

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.

Main grades and properties 

Type	Electrical resistivity (20degreeΩ mm²/m)	temperature coefficient of resistance (10^6/degree)	Dens ity g/mm²	Max. temperature (°c)	Melting point (°c)
CuNi1	0.03	<1000	8.9	/	1085
CuNi2	0.05	<1200	8.9	200	1090
CuNi6	0.10	<600	8.9	220	1095
CuNi8	0.12	<570	8.9	250	1097
CuNi10	0.15	<500	8.9	250	1100
CuNi14	0.20	<380	8.9	300	1115
CuNi19	0.25	<250	8.9	300	1135
CuNi23	0.30	<160	8.9	300	1150
CuNi30	0.35	<100	8.9	350	1170
CuNi34	0.40	-0	8.9	350	1180
CuNi40	0.48	±40	8.9	400	1280
CuNi44	0.49	<-6	8.9	400	1280