Sandvik Kanthal AF Resistance Wire

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Sandvik Kanthal AF Resistance Wire
Categories:	Metal; Ferrous Metal; Ferritic; Superalloy; Iron Base
Material Notes:	KANTHAL AF is a high-temperature ferritic FeCrAl alloy which is recommended for element temperatures up to 1300°C (2370°F). It is especially recommended where excellent oxidation and life properties in combination with good form stability properties are required. KANTHAL AF is used in electrical heating elements in industrial furnaces and in the appliance industry. Typical applications for KANTHAL AF in the appliance industry are in open mica elements for toasters, hair dryers, in meander shaped elements for fan heaters and as open coil elements on fibre insulating material in ceramic glass top heaters in ranges, in ceramic heaters for boiling plates, coils on molded ceramic fibre for cooking plates with ceramic hobs, in suspended coil elements for fan heaters, in suspended straight wire elements for radiators, convection heaters, in porcupine elements for hot air guns, radiators, tumble dryers. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.15 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	230 @Thickness 1.00 mm
	230 @Thickness 4.00 mm
Tensile Strength, Ultimate	4.00 MPa @Temperature 1300 °C	deformation rate= 6.2x10^-2/min
	6.00 psi @Temperature 1200 °C	deformation rate= 6.2x10^-2/min
	12.0 MPa @Temperature 1100 °C	deformation rate= 6.2x10^-2/min
	20.0 MPa @Temperature 1000 °C	deformation rate= 6.2x10^-2/min
	37.0 MPa @Temperature 900 °C	deformation rate= 6.2x10^-2/min
	680 MPa @Thickness 4.00 mm
	700 MPa @Thickness 1.00 mm
Tensile Strength, Yield	470 MPa @Strain 0.2 %, Thickness 4.00 mm
	500 MPa @Strain 0.2 %, Thickness 1.00 mm
Elongation at Break	18 % @Thickness 4.00 mm
	23 % @Thickness 1.00 mm
Creep Strength	0.300 MPa @Temperature 1000 °C, Time 3.60e+6 sec	1% elongation
	1.70 MPa @Temperature 800 °C, Time 3.60e+6 sec	1% elongation
Modulus of Elasticity	220 GPa
	130 GPa @Temperature 1000 °C
	150 GPa @Temperature 800 °C
	170 GPa @Temperature 600 °C
	190 GPa @Temperature 400 °C
	205 GPa @Temperature 200 °C
	210 GPa @Temperature 100 °C
Poissons Ratio	0.30
Shear Modulus	85.0 GPa	calculated

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.000139 ohm-cm
	0.000139 ohm-cm @Temperature 100 °C
	0.000140 ohm-cm @Temperature 200 °C
	0.000140 ohm-cm @Temperature 300 °C
	0.000142 ohm-cm @Temperature 400 °C
	0.000143 ohm-cm @Temperature 500 °C
	0.000144 ohm-cm @Temperature 600 °C
	0.000144 ohm-cm @Temperature 700 °C
	0.000146 ohm-cm @Temperature 800 °C
	0.000146 ohm-cm @Temperature 900 °C
	0.000147 ohm-cm @Temperature 1000 °C
	0.000147 ohm-cm @Temperature 1100 °C
	0.000147 ohm-cm @Temperature 1200 °C
	0.000147 ohm-cm @Temperature 1300 °C
Curie Temperature	600 °C

Thermal Properties	Original Value	Comments
CTE, linear	11.0 µm/m-°C @Temperature 20.0 - 250 °C
	12.0 µm/m-°C @Temperature 20.0 - 500 °C
	14.0 µm/m-°C @Temperature 20.0 - 750 °C
	15.0 µm/m-°C @Temperature 20.0 - 1000 °C
Specific Heat Capacity	0.460 J/g-°C @Temperature 20.0 °C
	0.560 J/g-°C @Temperature 200 °C
	0.630 J/g-°C @Temperature 400 °C
	0.710 J/g-°C @Temperature 800 °C
	0.720 J/g-°C @Temperature 1000 °C
	0.740 J/g-°C @Temperature 1200 °C
	0.750 J/g-°C @Temperature 600 °C
Thermal Conductivity	11.0 W/m-K @Temperature 50.0 °C
	20.0 W/m-K @Temperature 600 °C
	22.0 W/m-K @Temperature 800 °C
	26.0 W/m-K @Temperature 1000 °C
	27.0 W/m-K @Temperature 1200 °C
Melting Point	1500 °C
Maximum Service Temperature, Air	1300 °C

Optical Properties	Original Value	Comments
Emissivity (0-1)	0.70	fully oxidized

Component Elements Properties	Original Value	Comments
Aluminum, Al	5.3 %
Carbon, C	<= 0.080 %
Chromium, Cr	20.5 - 23.5 %
Iron, Fe	>= 70.02 %
Manganese, Mn	<= 0.40 %
Silicon, Si	<= 0.70 %

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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