Sandvik Kanthal Nikrothal 30 Resistance heating wire and resistance wire

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Sandvik Kanthal Nikrothal 30 Resistance heating wire and resistance wire
Categories:	Metal; Ferrous Metal; Superalloy; Nickel Base
Material Notes:	Nikrothal 30 is an austenitic nickelchromium alloy (NiCr alloy) for use at temperatures up to 1050°C (1920°F). The alloy is characterized by high resistivity and good oxidation resistance. It has good ductility after use and excellent weldability. Typical applications for Nikrothal 30 are solid hot plates, open coil heaters in HVAC systems, night storage heaters, convection heaters, heavy duty rheostats and fan heaters. Nikrothal 30 is also used for heating cables and rope heaters in defrosting and deicing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters and resistors. Information provided by Sandvik
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	160 @Diameter 4.00 mm	160 @Diameter 0.157 in
	180 @Diameter 1.00 mm	180 @Diameter 0.0394 in
Tensile Strength, Ultimate	72.0 MPa @Temperature 900 °C	10400 psi @Temperature 1650 °F
	650 MPa @Thickness 4.00 mm	94300 psi @Thickness 0.157 in
	675 MPa @Thickness 1.00 mm	97900 psi @Thickness 0.0394 in
Tensile Strength, Yield	300 MPa @Strain 0.2 %, Thickness 4.00 mm	43500 psi @Strain 0.2 %, Thickness 0.157 in
	340 MPa @Strain 0.2 %, Thickness 1.00 mm	49300 psi @Strain 0.2 %, Thickness 0.0394 in
Elongation at Break	30 % @Thickness 4.00 mm	30 % @Thickness 0.157 in
	35 % @Thickness 1.00 mm	35 % @Thickness 0.0394 in

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000103 ohm-cm @Temperature 20.0 °C	0.0000103 ohm-cm @Temperature 68.0 °F
	0.0000103 ohm-cm @Temperature 100 °C	0.0000103 ohm-cm @Temperature 212 °F
	0.0000107 ohm-cm @Temperature 200 °C	0.0000107 ohm-cm @Temperature 392 °F
	0.0000111 ohm-cm @Temperature 300 °C	0.0000111 ohm-cm @Temperature 572 °F
	0.0000114 ohm-cm @Temperature 400 °C	0.0000114 ohm-cm @Temperature 752 °F
	0.0000117 ohm-cm @Temperature 500 °C	0.0000117 ohm-cm @Temperature 932 °F
	0.0000119 ohm-cm @Temperature 600 °C	0.0000119 ohm-cm @Temperature 1110 °F
	0.0000121 ohm-cm @Temperature 700 °C	0.0000121 ohm-cm @Temperature 1290 °F
	0.0000123 ohm-cm @Temperature 800 °C	0.0000123 ohm-cm @Temperature 1470 °F
	0.0000124 ohm-cm @Temperature 900 °C	0.0000124 ohm-cm @Temperature 1650 °F
	0.0000126 ohm-cm @Temperature 1000 °C	0.0000126 ohm-cm @Temperature 1830 °F

Thermal Properties	Metric	English	Comments
CTE, linear	16.0 µm/m-°C @Temperature 20.0 - 250 °C	8.89 µin/in-°F @Temperature 68.0 - 482 °F
	17.0 µm/m-°C @Temperature 20.0 - 500 °C	9.44 µin/in-°F @Temperature 68.0 - 932 °F
	18.0 µm/m-°C @Temperature 20.0 - 750 °C	10.0 µin/in-°F @Temperature 68.0 - 1380 °F
	19.0 µm/m-°C @Temperature 20.0 - 1000 °C	10.6 µin/in-°F @Temperature 68.0 - 1830 °F
Melting Point	1050 °C	1920 °F
Maximum Service Temperature, Air	1050 °C	1920 °F

Optical Properties	Metric	English	Comments
Emissivity (0-1)	0.88	0.88	fully oxidized material

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.15 %	<= 0.15 %
Chromium, Cr	20 - 22 %	20 - 22 %
Iron, Fe	41.35 - 48.4 %	41.35 - 48.4 %	As Balance
Manganese, Mn	<= 1.0 %	<= 1.0 %
Nickel, Ni	30 - 33 %	30 - 33 %
Silicon, Si	1.6 - 2.5 %	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 view all the property values for this datasheet as they were originally entered into MatWeb.

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