• Heating Element Wire CuNi23 Alloy
  • Heating Element Wire CuNi23 Alloy
  • Heating Element Wire CuNi23 Alloy
  • Heating Element Wire CuNi23 Alloy
  • Heating Element Wire CuNi23 Alloy
  • Heating Element Wire CuNi23 Alloy

Heating Element Wire CuNi23 Alloy

Type: CuNi Wire
Application: Air Condition or Refrigerator, Water Tube, Water Heater, Oil Cooler Pipe, Resistors
Material: Red Copper
Shape: Round
Alloy: Alloy
Color: Red
Samples:
US$ 5/Piece 1 Piece(Min.Order)
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Customization:
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Basic Info.

Model NO.
ohmalloy030
Standard
GB/T
Density
8.9
Resistivity
0.30
Elongation
25
Tensile Strength
350 MPa
Yield Strength
170 MPa
Melting Point
1150 C
Operating Temperature
300 C
Transport Package
Spool
Specification
D=0.03mm~8mm
Trademark
Ohmalloy
Origin
Shanghai
HS Code
7408290000
Production Capacity
80000 Kilograms Per Week

Product Description

OhmAlloy030(Resistance heating wire and resistance wire)
(Common Name:CuNi23,NC30,Curpothal30)

OhmAlloy030 is a copper-nickel alloy (Cu77Ni23 alloy) with low resistivity for use at temperatures up to 300°C.

OhmAlloy030 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.

 

Normal composition%

Nickel 23 Manganese 0.5
Copper Bal.    
 

Typical Mechanical properties(1.0mm)

Yield strength Tensile Strength Elongation
Mpa Mpa %
170 350 25
 

Typical Physical properties

Density (g/cm3) 8.9
Electrical resistivity at 20ºC (Ωmm2/m) 0.30
Temperature factor of resistivity(20ºC~600ºC)X10-5/ºC <16
Conductivity coefficient at 20ºC (WmK)                  33
EMF vs Cu(μV/ºC )(0~100ºC ) -34
 
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) 1150
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
gases
gases with Nitrogen gases with sulfur
oxidability
gases with sulfur
reductibility
carburization
OhmAlloy030 good general general general bad good

Style of supply
Alloys Name Type Dimension
OhmAlloy030W Wire D=0.06mm~8mm
OhmAlloy030R Ribbon W=0.4~40 T=0.05~2.9mm
OhmAlloy030S Strip W=8~200mm T=0.1~3.0
OhmAlloy030F Foil W=6~120mm T=0.005~0.1
OhmAlloy030B Bar Dia=8~100mm L=50~1000




 

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