Copper Alloy Resistance Wire Electrical Wire for Machine Oven High Power
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OhmAlloy025 (Resistance heating wire and resistance wire)
Common Name:CuNi19,CN25
OhmAlloy025 is a copper-nickel alloy (Cu81Ni19 alloy) with low resistivity for use at temperatures up to 300°C.
OhmAlloy025 is kind of low resistance heating alloy.It is one of the key materials of the low-voltage electrical products. It is widely used in low-voltage circuit breaker, electric blankets.thermal overload relay, and other low-voltage electrical product.
OhmAlloy025 is typically used for low-temperature applications such as floor heating cables.
Copper Nickel Alloy Heating Resistance Wire and Strip Technique Data
Â
Name
 Our Code
Resistance Ω at 20 °C
the maximum temperature°C
Copper-nickel--1
OhmAlloy3
0.03
200
Copper-nickel--2
OhmAlloy5
0.05
200
Copper-nickel--8
OhmAlloy12Â
0.12
250
Copper-nickel--10
OhmAlloy15
0.15
200
Copper-nickel--14
OhmAlloy20
0.2
300
Copper-nickel--19
OhmAlloy25
0.25
300
Copper-nickel--23
OhmAlloy30
0.35
350
Copper-nickel--30
OhmAlloy35
0.35
350
Copper-nickel--34
OhmAlloy40
0.4
350
Copper-nickel--44
OhmAlloy49
0.5
400
Copper Nickel Alloy Heating Resistance Wire Cuni8 Technique Data
Normal composition%
Nickel
19
Manganese
0.5
Copper
Bal.
Â
Â
Typical Mechanical properties(1.0mm)
Yield strength
Tensile Strength
Elongation
Mpa
Mpa
%
155
340
25
Typical Physical properties
Density (g/cm3)
8.9
Electrical resistivity at 20ºC (Ωmm2/m)
0.25
Temperature factor of resistivity(20ºC~600ºC)X10-5/ºC
<25
Conductivity coefficient at 20ºC (WmK)                Â
38
EMF vs Cu(μV/ºC )(0~100ºC )
-32
Coefficient of thermal expansion
Temperature
Thermal Expansion x10-6/K
20 ºC- 400ºC
17.5
Specific heat capacity
Temperature
20ºC
J/gK
0.380
Melting point (ºC)
1135
Max continuous operating temperature in air (ºC)
300
Magnetic properties
non-magnetic
Corrosion resistance performance
Alloys
Working In atmosphere at 20ºC
           Working at max temperature 200ºC
Air and oxygen contain
gasesgases with Nitrogen
gases with sulfur
oxidability
gases with sulfur
reductibilitycarburization
OhmAlloy020
good
bad
bad
bad
bad
good
Style of supply
Alloys Name
Type
Dimension
OhmAlloy025W
Wire
D=0.06mm~8mm
OhmAlloy025R
Ribbon
W=0.4~40
T=0.05~2.9mm
OhmAlloy025S
Strip
W=8~200mm
T=0.1~3.0
OhmAlloy025F
Foil
W=6~120mm
T=0.005~0.1
OhmAlloy025B
Bar
Dia=8~100mm
L=50~1000
Our Packing
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Copper Alloy Resistance Wire Electrical Wire for Machine Oven High Power
Â
OhmAlloy025 (Resistance heating wire and resistance wire)
Common Name:CuNi19,CN25
OhmAlloy025 is a copper-nickel alloy (Cu81Ni19 alloy) with low resistivity for use at temperatures up to 300°C.
OhmAlloy025 is kind of low resistance heating alloy.It is one of the key materials of the low-voltage electrical products. It is widely used in low-voltage circuit breaker, electric blankets.thermal overload relay, and other low-voltage electrical product.
OhmAlloy025 is typically used for low-temperature applications such as floor heating cables.
Copper Nickel Alloy Heating Resistance Wire and Strip Technique Data
Â
Name
 Our Code
Resistance Ω at 20 °C
the maximum temperature°C
Copper-nickel--1
OhmAlloy3
0.03
200
Copper-nickel--2
OhmAlloy5
0.05
200
Copper-nickel--8
OhmAlloy12Â
0.12
250
Copper-nickel--10
OhmAlloy15
0.15
200
Copper-nickel--14
OhmAlloy20
0.2
300
Copper-nickel--19
OhmAlloy25
0.25
300
Copper-nickel--23
OhmAlloy30
0.35
350
Copper-nickel--30
OhmAlloy35
0.35
350
Copper-nickel--34
OhmAlloy40
0.4
350
Copper-nickel--44
OhmAlloy49
0.5
400
Copper Nickel Alloy Heating Resistance Wire Cuni8 Technique Data
Normal composition%
Nickel
19
Manganese
0.5
Copper
Bal.
Â
Â
Typical Mechanical properties(1.0mm)
Yield strength
Tensile Strength
Elongation
Mpa
Mpa
%
155
340
25
Typical Physical properties
Density (g/cm3)
8.9
Electrical resistivity at 20ºC (Ωmm2/m)
0.25
Temperature factor of resistivity(20ºC~600ºC)X10-5/ºC
<25
Conductivity coefficient at 20ºC (WmK)                Â
38
EMF vs Cu(μV/ºC )(0~100ºC )
-32
Coefficient of thermal expansion
Temperature
Thermal Expansion x10-6/K
20 ºC- 400ºC
17.5
Specific heat capacity
Temperature
20ºC
J/gK
0.380
Melting point (ºC)
1135
Max continuous operating temperature in air (ºC)
300
Magnetic properties
non-magnetic
Corrosion resistance performance
Alloys
Working In atmosphere at 20ºC
           Working at max temperature 200ºC
Air and oxygen contain
gasesgases with Nitrogen
gases with sulfur
oxidability
gases with sulfur
reductibilitycarburization
OhmAlloy020
good
bad
bad
bad
bad
good
Style of supply
Alloys Name
Type
Dimension
OhmAlloy025W
Wire
D=0.06mm~8mm
OhmAlloy025R
Ribbon
W=0.4~40
T=0.05~2.9mm
OhmAlloy025S
Strip
W=8~200mm
T=0.1~3.0
OhmAlloy025F
Foil
W=6~120mm
T=0.005~0.1
OhmAlloy025B
Bar
Dia=8~100mm
L=50~1000
Our Packing
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