Nikrothal® LX

Resistance heating wire and resistance wireDatasheet

Datasheet updated 2021-02-04 13:34 (supersedes all previous editions)

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^®.

Nikrothal^® LX is an austenitic nickel-chromium alloy (NiCr alloy) for use at temperatures up to 300°C (570°F). The alloy is characterized by high resistivity in combination with low temperature coefficient of resistance.

Nikrothal^® LX is typically used for electronic components.

Chemical composition

	C %	Si %	Mn %	Cr %	Fe %	Al %	Ni %	Cu %
Nominal composition							Bal.
Min	-	0.50	2.1	18.0	-	2.40	-	1.60
Max	0.02	0.70	2.3	20.0	0.10	2.60	-	1.80

Mechanical properties

Yield strength	Tensile strength	Elongation
R_p0.2	R_m	A
MPa	MPa	%
800-1200	950-1400	3-25

Physical properties

Density g/cm³	8.30
Electrical resistivity at 20°C Ω mm²/m	1.33

Temperature coefficient of resistance with reference to +25°C
Temperature range	Standard tolerance	Special tolerance
°C	PPM/°C	PPM/°C
-55 - +150	-10 - +10	-5 - +5

Thermal electromotive force against Cu μV/°C	+1.0

Coefficient of thermal expansion
Temperature °C	Thermal Expansion x 10^-6/K
20 - 300	14

Thermal conductivity
Temperature °C	20
W m^-1 K^-1	15

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

Melting point °C	1390
Max continuous operating temperature in air °C	1150
Magnetic properties	The material is slightly magnetic
Emissivity - fully oxidized material	0.88