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CuNi10
(Common Name:CuNi10,Curpothal 15,NC15)
CuNi10 is a copper-nickel alloy (Cu90Ni10 alloy) with low resistivity for use at temperatures up to 250°C.
CuNi10 is typically used for applications such as heating cables, fuses, shunts, resistors and various types of controllers.
Normal composition%
Nickel
10
Manganese
-
Copper
Bal.
Typical Mechanical properties(1.0mm)
Yield strength
Tensile Strength
Elongation
Mpa
Mpa
%
130
290
25
Typical Physical properties
Density (g/cm3)
8.9
Electrical resistivity at 20℃ (Ωmm2/m)
0.15
Temperature factor of resistivity(20℃~600℃)X10-5/℃
<50
Conductivity coefficient at 20℃ (WmK)
59
EMF vs Cu(μV/℃ )(0~100℃ )
-25
Coefficient of thermal expansion
Temperature
Thermal Expansion x10-6/K
20 ℃- 400℃
17.5
Specific heat capacity
Temperature
20℃
J/gK
0.380
Melting point (℃)
1100
Max continuous operating temperature in air (℃)
250
Magnetic properties
non-magnetic
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
CuNi10
good
general
general
general
bad
good
Style of supply
Alloys Name
Type
Dimension
CuNi10W
Wire
D=0.06mm~8mm
CuNi10R
Ribbon
W=0.4~40
T=0.05~2.9mm
CuNi10S
Strip
W=8~200mm
T=0.1~3.0
CuNi10F
Foil
W=6~120mm
T=0.005~0.1
CuNi10B
Bar
Dia=8~100mm
L=50~1000