Product Details

Low resistivity cuni alloy wires for heating elements

1.Material Composition:

Cu:56.58%,Ni:40.89%,Mn:1.86%

Wire diameter range:0.02-30mm

1.FeCrAl wire strip includes: OCr13Al4,OCr19Al3,OCr21Al4,OCr20Al5,OCr25Al5,OCr21Al6,OCr21Al6Nb,OCr27Al7Mo2.

2.Nickel chrome wire Strip Bar includes: Cr25Ni20,Cr20Ni35,Cr15Ni60,Cr20Ni80.

3.Copper Nickel wire Strip includes:

CuNi1,CuNi2,CuNi5,CuNi8,CuNi10,CuNi14,CuNi19,CuNi23,CuNi30,CuNi34,CuNi44.

4.Constantan wire includes: 6J40,4J42,4J32.

5.Manganin wire:6J8,6J12,6J13.

Alloy Type		Chemical Composition(%)						Density (g/cm³)	Melting Point (°C)	Resistivity (μΩm)(20°C)	Tensile Strength (Nmm²)	Elongation (%)	Max.Continuous Service Temperature(°C)
Alloy Type		Cu	Mn	Ni	Cr	Al	Fe	Density (g/cm³)	Melting Point (°C)	Resistivity (μΩm)(20°C)	Tensile Strength (Nmm²)	Elongation (%)	Max.Continuous Service Temperature(°C)
Constantan (Cu-Ni Alloy)	CuNi44	Rest	1.0	44	-	-	-	8.9	1280	0.49	≥400	≥20	450-700
	CuNi40	Rest	1.0	40	-	-	-	8.9	1280	0.48±0.03	≥400	≥20	450-700
	CuNi34	Rest	1.0	34	-	-	-	8.9	1180	0.40	≥400	≥20	350-600
	CuNi30	Rest	1.0	30	-	-	-	8.9	1170	0.35	≥400	≥20	350-600
	CuNi23	Rest	0.5	23	-	-	-	8.9	1150	0.30	≥350	≥20	300-450
	CuNi19	Rest	0.5	19	-	-	-	8.9	1135	0.25	≥340	≥20	300-450
	CuNi15	Rest	0.3	14.5	-	-	-	8.9	1115	0.20	≥310	≥20	300-400
	CuNi10	Rest	-	10	-	-	-	8.9	1100	0.15	≥290	≥20	250-350
	CuNi8	Rest	-	8	-	-	-	8.9	1097	0.12	≥270	≥20	250-350
	CuNi6	Rest	-	6	-	-	-	8.9	1095	0.10	≥251	≥18	200-300
	CuNi2	Rest	-	2	-	-	-	8.9	1090	0.05	≥220	≥18	200-300
	CuNi1	Rest	-	1	-	-	-	8.9	1085	0.03	≥210	≥18	200-300
Karma		-	-	Rest	19-22	2.5-3.2	2-3	8.1	1400	1.33±0.07	950	10-20	-60-300
Evanohm		-	-	Rest	19-22	2.5-3.2	1.0	8.4	1400	1.05±0.05	686-736	30	0-500
Manganin (Cu-Mn Alloy)	CuMn12	Rest	11-13	2-3	-	-	-	8.4	960	0.47±0.03	490-539	10-30	50
	CuMn13	Rest	11-13	-	-	-	-	8.4	960	0.44±0.04	490-539	10-30	80
	CuMn8	Rest	8-10	2-5	-	-	-	8.7	960	0.35±0.05	490-539	10-30	80

2.Main Advantage and Application

It widely used in surtur and sulfide environment and producing industrial electric furnace, household electrical appliance and far infrared ray device.

Low price with high electric resistance, low temperature cofficient of resistance, high working temperature and good corrosion resistance under high temperature especially.

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