CuMn12Ni4 Alloy

CuMn12Ni4 Alloy
CuMn12Ni4 Alloy
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Introduction
Manganese copper alloy used for shunt can be used at room temperature. This alloy is characterized by low electromotive force.

Type of supply
Alloy Type Size
Manganin43W Round wire D=0.03mm~8mm
Manganin43R Flat wire W=0.4~40 T=0.03~2.9mm
Manganin43S Strip W=8~200mm T=0.1~3.0
Manganin43F Foil W=6~120mm T=0.003~0.1
Manganin43B Rod Dia=8~100mm L=50~1000

Application
Manganese copper alloy is widely used in shunt resistor with high requirement, and built-in precision electrical element, like: electric bridge, potentiometer, etc.

Physical parameters
Yield strength (Mpa) Tensile strength (Mpa) Elongation (%) Density (g/cm3) Resistivity (20℃)
(Ω・mm2/m)
Resistance temperature coefficient (20℃~600℃)
10-5/℃
Conductivity (20℃)
(WmK)
Electromotive force against copper (μV/℃ ) (0~100℃) Expansion coefficient (20 ℃- 100℃)
x10-6/K
Expansion coefficient (20 ℃- 400℃)
x10-6/K
Expansion coefficient (20 ℃- 100℃)
x10-6/K

Melting point
(℃)
Max.operating temperature (℃) Magnetism
180 390 15 8.4 0.43 -7~40 22 <2 18 19.5 0.41 960 5~45 Non-magnetism
Corrosion resistance
Atmospheric corrosion resistance at 20℃ Corrosion resistance at maximum operating temperature
Air and other oxygen-containing gases oxygen-containing gas Sulfurous gas Sulfurous gas carburization
(oxidizability) (reducibility)
Good Poor Poor Poor Poor Good

Index
alloy strip, resistance alloy

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