Sandvik Kanthal Nikrothal 42 Resistance heating wire and resistance wire

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Sandvik Kanthal Nikrothal 42 Resistance heating wire and resistance wire
Categories:	Metal; Ferrous Metal
Material Notes:	Nikrothal 42 is an austenitic nickel chromium alloy (NiCr alloy) for use at temperatures up to 1150°C (2100°F). The alloy is characterized by good ductility after use and good corrosion resistance, except in sulphur containing atmospheres and certain controlled atmospheres. Nikrothal 42 has an attractive combination of oxidation resistance and form stability making it a suitable alloy for open coil heating elements. Typical applications for Nikrothal 42 are electric heating elements in domestic appliances and other heating equipment. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.96 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	160 @Diameter 4.00 mm
	180 @Diameter 1.00 mm
Tensile Strength, Ultimate	740 MPa @Thickness 4.00 mm
	760 MPa @Thickness 1.00 mm
Tensile Strength, Yield	300 MPa @Thickness 4.00 mm
	340 MPa @Thickness 1.00 mm
Elongation at Break	30 % @Thickness 4.00 mm
	35 % @Thickness 1.00 mm

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000103 ohm-cm @Temperature 100 °C
	0.0000107 ohm-cm @Temperature 200 °C
	0.0000108 ohm-cm @Temperature 20.0 °C
	0.0000109 ohm-cm @Temperature 300 °C
	0.0000111 ohm-cm @Temperature 400 °C
	0.0000113 ohm-cm @Temperature 500 °C
	0.0000114 ohm-cm @Temperature 600 °C
	0.0000116 ohm-cm @Temperature 700 °C
	0.0000117 ohm-cm @Temperature 800 °C
	0.0000118 ohm-cm @Temperature 900 °C
	0.0000120 ohm-cm @Temperature 1000 °C
	0.0000121 ohm-cm @Temperature 1100 °C

Thermal Properties	Original Value	Comments
CTE, linear	15.0 µm/m-°C @Temperature 20.0 - 250 °C
	16.0 µm/m-°C @Temperature 20.0 - 500 °C
	17.0 µm/m-°C @Temperature 20.0 - 750 °C
	18.0 µm/m-°C @Temperature 20.0 - 1000 °C
Specific Heat Capacity	0.480 J/g-°C @Temperature 20.0 °C
	0.480 J/g-°C @Temperature 100 °C
	0.490 J/g-°C @Temperature 200 °C
	0.510 J/g-°C @Temperature 300 °C
	0.540 J/g-°C @Temperature 400 °C
	0.560 J/g-°C @Temperature 500 °C
	0.590 J/g-°C @Temperature 600 °C
	0.610 J/g-°C @Temperature 700 °C
	0.640 J/g-°C @Temperature 800 °C
	0.670 J/g-°C @Temperature 900 °C
	0.690 J/g-°C @Temperature 1000 °C
	0.720 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	1150 °C

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

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.10 %
Chromium, Cr	19 - 22 %
Iron, Fe	31.2 - 38.5 %	As Balance
Manganese, Mn	<= 1.0 %
Nickel, Ni	41.5 - 44 %
Silicon, Si	1.0 - 1.7 %

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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NSANDV5037 / 199601

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