Sandvik Kanthal 100 Thermostatic bimetal

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Sandvik Kanthal 100 Thermostatic bimetal
Categories:	Metal; Superalloy; Iron Base
Material Notes:	KANTHAL 100 is a thermostatic bimetal which is recommended for use in the temperature range -20 to +450°C. Typical applications for KANTHAL 100 are in circuit breakers, motor protection units, thermostats, shower mixers, etc. High-expansive component: 15-7 Alloy (440 Designation, 50% of thickness) Low-expansive component: Invar 100 Alloy( 320 Designation, 50% of thickness) Information provided by Sandvik Composition: High-expansive component: Designation 440; 6.9% Mn; 17% Ni; 76.1% Fe Low-expansive component: Designation 320; 0.4% Mn; 46% Ni; 53.6% Fe
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Physical Properties	Original Value	Comments

Density	8.20 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	135	Low-expansive component
	140	High-expansive component
	210	Low-expansive component, Cold-worked 20%
	260	High-expansive component, Cold-worked 20%
Tensile Strength, Ultimate	488 MPa	Low-expansive component
	550 MPa	High-expansive component
Tensile Strength, Yield	236 MPa	Low-expansive component
	240 MPa	High-expansive component
Elongation at Break	40 %	High-expansive component
	42 %	Low-expansive component
Modulus of Elasticity	175 GPa

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000620 ohm-cm @Temperature 0.000 °C	Bimetal
	0.0000860 ohm-cm @Temperature 200 °C	Bimetal
	0.000100 ohm-cm @Temperature 400 °C	Bimetal

Thermal Properties	Original Value	Comments
CTE, linear	7.95 µm/m-°C @Temperature 30.0 - 130 °C	Low-expansive component
	20.2 µm/m-°C @Temperature 30.0 - 130 °C	High-expansive component
Specific Heat Capacity	0.460 J/g-°C @Temperature 20.0 °C
Thermal Conductivity	15.0 W/m-K @Temperature 20.0 °C
Maximum Service Temperature, Air	450 °C
Minimum Service Temperature, Air	-20.0 °C

Descriptive Properties
Linearity Range, °C	-20 to 425
linearity Temperature Range, °C	-20 to 450
Specific thermal curvature, /K	0.0000186
Specific deflection, /K	0.00001

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