Resistalloy International Resistalloy 3718 Nickel Chromium Electrical Resistance Alloy

Category	Metal , Electronic/Magnetic Alloy , Nonferrous Metal , Nickel Alloy , Superalloy , Iron Base
Manufacturer	Resistalloy International Limited
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Resistalloy International Resistalloy 3718 Nickel Chromium Electrical Resistance Alloy.pdf
Price	EMAIL US sales@lookpolymers.com
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Material Notes:

Used mainly for electrical elements in both industrial and domestic applications. Industrial applications vary from small laboratory kilns to heavy-duty heat-treatment furnaces under all types of atmospheres. Available as wire, bar, and strip. Non-magnetic.Information provided by Resistalloy International Limited.

Physical Properties	Metric	English	Comments
Density	7.90 g/cc	0.285 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	180	180
Tensile Strength, Ultimate	750 MPa	109000 psi
	100 MPa @Temperature 900 °C	14500 psi @Temperature 1650 °F
Tensile Strength, Yield	450 MPa	65300 psi
Elongation at Break	25 - 30 %	25 - 30 %	50 mm (2 in)

Thermal Properties	Metric	English
CTE, linear	16.0 µm/m-°C @Temperature 20.0 - 250 °C	8.89 µin/in-°F @Temperature 68.0 - 482 °F
	17.0 µm/m-°C @Temperature 20.0 - 500 °C	9.44 µin/in-°F @Temperature 68.0 - 932 °F
	19.0 µm/m-°C @Temperature 20.0 - 1000 °C	10.6 µin/in-°F @Temperature 68.0 - 1830 °F
Specific Heat Capacity	0.500 J/g-°C	0.120 BTU/lb-°F
Thermal Conductivity	13.0 W/m-K	90.2 BTU-in/hr-ft²-°F
Melting Point	1390 °C	2530 °F
Maximum Service Temperature, Air	1100 °C	2010 °F

Optical Properties	Metric	English	Comments
Emissivity (0-1)	0.88	0.88	Fully Oxidized

Component Elements Properties	Metric	English
Chromium, Cr	20 %	20 %
Iron, Fe	45 %	45 %
Nickel, Ni	35 %	35 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.000104 ohm-cm	0.000104 ohm-cm	Temperature Factor is 1.21 at 800°C (1470°F). Temperature Factor is 1.23 at 1000°C (1830°F).

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