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CuNi6
(Common Name:Cuprothal 10,CuNi6,NC6)
CuNi6 is a copper-nickel alloy (Cu94Ni6 alloy) with low resistivity for use at temperatures up to 220°C.
CuNi6 Wire is typically used for low-temperature applications such as heating cables.
Normal composition%
Nickel
6
Manganese
-
Copper
Bal.
Typical Mechanical properties(1.0mm)
Yield strength
Tensile Strength
Elongation
Mpa
Mpa
%
110
250
25
Typical Physical properties
Density (g/cm3)
8.9
Electrical resistivity at 20℃ (Ωmm2/m)
0.1
Temperature factor of resistivity(20℃~600℃)X10-5/℃
<60
Conductivity coefficient at 20℃ (WmK)
92
EMF vs Cu(μV/℃ )(0~100℃ )
-18
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 (℃)
1095
Max continuous operating temperature in air (℃)
220
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
CuNi6
good
bad
bad
bad
bad
good
Style of supply
Alloys Name
Type
Dimension
CuNi6W
Wire
D=0.06mm~8mm
CuNi6R
Ribbon
W=0.4~40
T=0.05~2.9mm
CuNi6S
Strip
W=8~200mm
T=0.1~3.0
CuNi6F
Foil
W=6~120mm
T=0.005~0.1
CuNi6B
Bar
Dia=8~100mm
L=50~1000