Sandvik Alkrothal 14 Resistance Wire

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Sandvik Alkrothal 14 Resistance Wire
Categories:	Metal; Superalloy; Iron Base
Material Notes:	ALKROTHAL 14 is a ferritic FeCrAl alloy which is recommended for use at wire temperatures up to 1100°C (2010°F).Typical applications for ALKROTHAL 14 wire are as electrical resistance wire for low-temperature applications such as heating cables, etc. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	7.28 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	220 @Thickness 1.00 mm
	220 @Thickness 6.00 mm
Tensile Strength, Ultimate	30.0 MPa @Temperature 900 °C	deformation rate= 6.2x10^-2/min
	580 MPa @Thickness 6.00 mm
	630 MPa @Thickness 1.00 mm
Tensile Strength, Yield	435 MPa @Strain 0.2 %, Thickness 6.00 mm
	455 MPa @Strain 0.2 %, Thickness 1.00 mm
Elongation at Break	22 % @Thickness 1.00 mm
	23 % @Thickness 6.00 mm
Creep Strength	0.500 MPa @Temperature 1000 °C, Time 3.60e+6 sec	1% elongation
	1.20 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	0.000125 ohm-cm
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
	0.630 J/g-°C @Temperature 200 °C
	0.720 J/g-°C @Temperature 400 °C
	0.730 J/g-°C @Temperature 1000 °C
	0.800 J/g-°C @Temperature 800 °C
	1.00 J/g-°C @Temperature 600 °C
Thermal Conductivity	16.0 W/m-K @Temperature 20.0 °C
Melting Point	1500 °C
Maximum Service Temperature, Air	1100 °C

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

Component Elements Properties	Original Value	Comments
Aluminum, Al	4.3 %
Carbon, C	<= 0.080 %
Chromium, Cr	14 - 16 %
Iron, Fe	>= 78.42 %
Manganese, Mn	<= 0.50 %
Silicon, Si	<= 0.70 %

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