Sandvik Nikrothal 40 Resistance Ribbon

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Sandvik Nikrothal 40 Resistance Ribbon
Categories:	Metal; Superalloy; Iron Base
Material Notes:	NIKROTHAL 40 is used as electric heating element material in domestic appliances and other electric heating equipment at operating temperatures up to 1100°C (2010°F). It has good ductility after use, good corrosion resistance except in sulphur containing atmospheres and certain controlled atmospheres and excellent weldability. Typical applications for NIKROTHAL 40 are night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. NIKROTHAL 40 is also used in heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters, resistors, etc. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.90 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	160
Tensile Strength, Ultimate	710 MPa
	58.0 MPa @Temperature 1000 °C	deformation rate= 5.0x10^-2/min
	95.0 MPa @Temperature 900 °C	deformation rate= 5.0x10^-2/min
	170 MPa @Temperature 800 °C	deformation rate= 5.0x10^-2/min
Tensile Strength, Yield	365 MPa @Strain 0.2 %
Elongation at Break	30 %
Creep Strength	4.00 MPa @Temperature 1000 °C, Time 3.60e+6 sec	1% elongation
	20.0 MPa @Temperature 800 °C, Time 3.60e+6 sec	1% elongation

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000104 ohm-cm
	0.000107 ohm-cm @Temperature 100 °C
	0.000110 ohm-cm @Temperature 200 °C
	0.000114 ohm-cm @Temperature 300 °C
	0.000116 ohm-cm @Temperature 400 °C
	0.000119 ohm-cm @Temperature 500 °C
	0.000121 ohm-cm @Temperature 600 °C
	0.000123 ohm-cm @Temperature 700 °C
	0.000125 ohm-cm @Temperature 800 °C
	0.000126 ohm-cm @Temperature 900 °C
	0.000128 ohm-cm @Temperature 1000 °C
	0.000129 ohm-cm @Temperature 1100 °C

Thermal Properties	Original Value	Comments
CTE, linear	16.0 µm/m-°C @Temperature 20.0 - 250 °C
	17.0 µm/m-°C @Temperature 20.0 - 500 °C
	18.0 µm/m-°C @Temperature 20.0 - 750 °C
	19.0 µm/m-°C @Temperature 20.0 - 1000 °C
Specific Heat Capacity	0.500 J/g-°C @Temperature 200 °C
	0.500 J/g-°C @Temperature 20.0 °C
	0.500 J/g-°C @Temperature 100 °C
	0.510 J/g-°C @Temperature 300 °C
	0.540 J/g-°C @Temperature 400 °C
	0.570 J/g-°C @Temperature 500 °C
	0.600 J/g-°C @Temperature 600 °C
	0.620 J/g-°C @Temperature 700 °C
	0.640 J/g-°C @Temperature 800 °C
	0.670 J/g-°C @Temperature 900 °C
	0.700 J/g-°C @Temperature 1000 °C
	0.730 J/g-°C @Temperature 1100 °C
Thermal Conductivity	13.0 W/m-K @Temperature 20.0 °C
	14.0 W/m-K @Temperature 100 °C
	15.0 W/m-K @Temperature 200 °C
	16.0 W/m-K @Temperature 300 °C
	18.0 W/m-K @Temperature 400 °C
	19.0 W/m-K @Temperature 500 °C
	21.0 W/m-K @Temperature 600 °C
	22.0 W/m-K @Temperature 700 °C
	24.0 W/m-K @Temperature 800 °C
	25.0 W/m-K @Temperature 900 °C
	26.0 W/m-K @Temperature 1000 °C
	28.0 W/m-K @Temperature 1100 °C
Melting Point	1390 °C
Maximum Service Temperature, Air	1100 °C

Optical Properties	Original Value	Comments
Emissivity (0-1)	0.88	fully oxidized

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.10 %
Chromium, Cr	18 - 21 %
Iron, Fe	>= 38.4 %
Manganese, Mn	<= 1.0 %
Nickel, Ni	34 - 37 %
Silicon, Si	1.6 - 2.5 %

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

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NSANDV056 / 18950

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