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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
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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 Comments
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 Comments
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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