Nikrothal® 60

Resistance heating wire and resistance wireDatasheet

Datasheet updated 2024-09-05 11:08 (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^®60 wire is an austenitic nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1150°C (2100°F). The alloy is characterized by high resistivity, good oxidation resistance and very good form stability. It has good ductility after use and excellent weldability.

Nikrothal^® 60 is used in electric heating element material in domestic appliances. Typical applications are metal sheathed tubular elements used in, for example, hot plates, grills, toaster ovens and storage heaters. The alloys is also used for suspended coils in air heaters in clothes dryers, fan heaters, hand dryers.

Chemical composition

	C %	Si %	Mn %	Cr %	Ni %	Fe %
Nominal composition						Bal.
Min	-	1.0	-	14.0	57.0
Max	0.10	1.7	1.0	18.0	60.0

Mechanical properties

Wire size	Yield strength	Tensile strength	Elongation	Hardness
Ø	R_p0.2	R_m	A
mm	MPa	MPa	%	Hv
1.0	370	730	35	180
4.0	300	700	30	160

Mechanical properties at elevated temperature
Temperature °C	900
MPa	100

Ultimate tensile strength - deformation rate 6.2 x 10 ^-2/min

Creep strength - 1% elongation in 1000 h
Temperature °C	800	1000
MPa	15	4

Physical properties

Density g/cm³	8.20
Electrical resistivity at 20°C Ω mm²/m	1.11

Temperature factor of resistivity
Temperature °C	100	200	300	400	500	600	700	800	900	1000	1100	1200
Ct	1.02	1.04	1.05	1.06	1.08	1.09	1.09	1.10	1.10	1.11	1.12	1.13

Coefficient of thermal expansion
Temperature °C	Thermal Expansion x 10^-6/K
20 - 250	14
20 - 500	15
20 - 750	16
20 - 1000	17

Thermal conductivity
Temperature °C	20	100	200	300	400	500	600	700	800	900	1000	1100
W m^-1 K^-1	13	13	14	16	17	19	20	22	24	25	25	29

Specific heat capacity
Temperature °C	20	100	200	300	400	500	600	700	800	900	1000	1100
kJ kg^-1 K^-1	0.46	0.46	0.48	0.50	0.53	0.55	0.58	0.60	0.63	0.66	0.68	0.71

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

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