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  • CuNi40 Constantan Copper Based Alloys 25% Elongation High Resistance Wire
  • CuNi40 Constantan Copper Based Alloys 25% Elongation High Resistance Wire
Enlarge CuNi40 Constantan Copper Based Alloys 25% Elongation High Resistance Wire

CuNi40 Constantan Copper Based Alloys 25% Elongation High Resistance Wire 

Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: CN44W0193B

CuNi40 Constantan Copper Based Alloys 25% Elongation High Resistance Wire
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CuNi40 Constantan Copper Based Alloys 25% Elongation High Resistance Wire
 
 OhmAlloy49(Resistance heating wire and resistance wire)
(Common Name:CuNi44,NC50.Cuprothal, Alloy 294, Cuprothal 294, Nico, MWS-294, Cupron, Copel, Alloy 45, Neutrology, Advance, CuNi 102, Cu-Ni 44, Konstantan,constantan.)
 
    OhmAlloy49 is a copper-nickel alloy (Cu56Ni44 alloy) characterized by high electrical resistance, high ductility and good corrosion resistance. It is suitable for use at temperatures up to 400°C
Typical applications for OhmAlloy49 are temperature-stable potentiometers, industrial rheostats and electric motor starter resistances.
    The combination of negligible temperature coefficient and high resistivity makes the alloy particulary suitable for the winding of precision resistors.
OhmAlloy49 is manufactured from electrolytic copper and pure nickel. In finer wire sizes the alloy is designated as OhmAlloy49TC(Thermocouple).
 
Normal composition%

Nickel 44 Manganese 1
Copper Bal.    

 
Typical Mechanical properties(1.0mm)

Yield strength Tensile Strength Elongation
Mpa Mpa %
250 420 25

 
Typical Physical properties

Density (g/cm3) 8.9
Electrical resistivity at 20 (mm2/m) 0.49
Temperature factor of resistivity(20~600)X10-5/ -6
Conductivity coefficient at 20 (WmK) 23
EMF vs Cu(μV/ )(0~100 ) -43

 

 
Coefficient of thermal expansion
Temperature Thermal Expansion x10-6/K
20 - 400 15

 

Specific heat capacity
Temperature 20
J/gK 0.41

 

Corrosion resistance performance

Alloys Working In atmosphere at 20 Working at max temperature 200

Air and oxygen contain
gases

 gases with Nitrogen

gases with sulfur
oxidability

gases with sulfur
reductibility

 carburization
OhmAlloy49 good good good good bad good

 

constantan wire :CuNi44, CuNi40, CuNi30, CuNi23,CuNI19,CuNi10, CuNi6, CuNi4, CuNi2, CuNi1
size:10.0mm-0.03mm
ISO9001, ROHs

constantan wire :CuNi44, CuNi40, CuNi30, CuNi23,CuNI19,CuNi10, CuNi6, CuNi4, CuNi2, CuNi1
size:10.0mm-0.03mm
ISO9001, ROHS ,REACH

PACKING;COIL AND CARTON

DELIVERY TIME: 15-20 DAYS

main property type CuNi1 CuNi2 CuNi6 CuNi8 CuMN3 CuNi10 CuNi14 CuNi19 CuNi23 CuNi30 CuNi34 CuNi44
main chemical composition Ni 1 2 6 8 / 10 14.2 19 23 30 34 44
Mn / / / / 3 / 0.3 0.5 0.5 1.0 1.0 1.0
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 Mr. Mr. Qiu

Tel: 86-21-66796338
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Company Info

Ohmalloy Material Co.,Ltd [China (Mainland)]


Business Type:Manufacturer
City: Shanghai
Province/State: Shanghai
Country/Region: China (Mainland)

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