Sandvik Cuprothal 15 Resistance Wire

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Sandvik Cuprothal 15 Resistance Wire
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	NIKROTHAL 40 is used as electric heating element material in domestic appliances and other electric heating equipment at operating temperatures up to 1100°C (2010°F). It has good ductility after use, good corrosion resistance except in sulphur containing atmospheres and certain controlled atmospheres and excellent weldability. Typical applications for NIKROTHAL 40 are night-storage heaters, convection heaters, heavy duty rheostats and fan heaters. NIKROTHAL 40 is also used in heating cables and rope heaters in defrosting and de-icing elements, electric blankets and pads, car seats, baseboard heaters, floor heaters, resistors, etc. Information provided by Sandvik
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Physical Properties	Original Value	Comments

Density	8.90 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	300 MPa @Thickness 1.00 mm
Tensile Strength, Yield	130 MPa @Strain 0.2 %, Thickness 1.00 mm
Elongation at Break	30 % @Thickness 1.00 mm

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000150 ohm-cm
	0.0000150 ohm-cm @Temperature 20.0 °C
	0.0000155 ohm-cm @Temperature 100 °C
	0.0000160 ohm-cm @Temperature 200 °C
	0.0000166 ohm-cm @Temperature 300 °C
	0.00001725 ohm-cm @Temperature 400 °C

Thermal Properties	Original Value	Comments
CTE, linear	16.0 µm/m-°C @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.380 J/g-°C @Temperature 20.0 °C
Thermal Conductivity	60.0 W/m-K @Temperature 20.0 °C
Melting Point	1100 °C
Maximum Service Temperature, Air	400 °C

Component Elements Properties	Original Value	Comments
Copper, Cu	89 %
Nickel, Ni	11 %

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NSANDV085 / 18979

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