NiMn2

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Aktualisiertes Datenblatt 2024-02-19 13:28 (ersetzt alle vorherigen Ausgaben)

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Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for materials under the trademark Kanthal^®.

NiMn2 is a nickel/manganese grade for use at temperatures up to 1000°C. The grade is used for electrical resistor terminations.

The addition of Mn to pure nickel brings much improved resistance to sulphur attack at elevated temperatures and improves strength and hardness, without appreciable reduction of ductility.

Mechanical properties

Yield strength	Tensile strength	Elongation
R_p0.2	R_m
MPa	MPa	%
230	440	35

Physical properties

Density g/cm³	8.81
Electrical resistivity at 20°C, Ω mm²/m (Ω cmf)	≤0.11 (66)

Coefficient of thermal expansion
Temperature °C	Thermal Expansion x 10^-6/ K
20 - 100	13

Thermal Conductivity
Temperature °C	100
W m^-1 K^-1	41

Specific heat capacity
Temperature, °C	20
kJ kg^-1 K^-1	0.46

Melting point, °C	1435
Magnetic properties	The material is slightly magnetic.

NiMn2

Mechanical properties

Physical properties

Coefficient of thermal expansion

Thermal Conductivity

Specific heat capacity

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