Sandvik Iron Thermocouple

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Sandvik Iron Thermocouple
Categories:	Metal; Ferrous Metal
Material Notes:	Iron is the positive leg of thermocouples type J, L, and it is also the positive leg of compensating cables type KCA (WX). Thermocouple type J and L are frequently used because of their high emf output and their low cost. Compensating cables of type KCA are used together with thermocouples of type K. IRON can not be exposed to sulphur containing atmospheres and to temperatures below zero. The alloy is transformed magnetically at 770°C, and a crystallographic transformation occurs at 900°C. Both transformations affect the thermoelectric properties of the alloy. The wire is supplied copper-coated in order to prevent oxidation. Information provided by Sandvik
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Physical Properties	Metric	English	Comments

Density	7.86 g/cc	0.284 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	100 @Thickness 2.00 mm	100 @Thickness 0.0787 in
Tensile Strength, Ultimate	450 MPa @Thickness 2.00 mm	65300 psi @Thickness 0.0787 in
Elongation at Break	15 % @Thickness 2.00 mm	15 % @Thickness 0.0787 in

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000130 ohm-cm	0.0000130 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	11.7 µm/m-°C @Temperature 20.0 - 100 °C	6.50 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	0.445 J/g-°C @Temperature 20.0 °C	0.106 BTU/lb-°F @Temperature 68.0 °F
Thermal Conductivity	66.2 W/m-K @Temperature 100 °C	459 BTU-in/hr-ft²-°F @Temperature 212 °F
Melting Point	1535 °C	2795 °F
Maximum Service Temperature, Air	560 °C @Thickness 0.250 mm	1040 °F @Thickness 0.00984 in	bare
	650 °C @Thickness 0.500 mm	1200 °F @Thickness 0.0197 in	bare
	670 °C @Thickness 0.250 mm	1240 °F @Thickness 0.00984 in	protected
	720 °C @Thickness 1.00 mm	1330 °F @Thickness 0.0394 in	bare
	760 °C @Thickness 1.00 mm	1400 °F @Thickness 0.0394 in	protected
	760 °C @Thickness 3.26 mm	1400 °F @Thickness 0.128 in	bare
	760 °C @Thickness 3.26 mm	1400 °F @Thickness 0.128 in	protected
	760 °C @Thickness 1.63 mm	1400 °F @Thickness 0.0642 in	bare
	760 °C @Thickness 1.63 mm	1400 °F @Thickness 0.0642 in	protected
	760 °C @Thickness 0.500 mm	1400 °F @Thickness 0.0197 in	protected

Component Elements Properties	Metric	English	Comments
Carbon, C	0.030 %	0.030 %
Iron, Fe	99.62 %	99.62 %
Manganese, Mn	0.30 %	0.30 %
Silicon, Si	0.050 %	0.050 %

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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Sandvik Nisil Thermocouple Alloy

NSANDV105 / 18999

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