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Special Metals BRIGHTRAY® Alloy F Electrical Resistance Alloy

Category Metal , Electronic/Magnetic Alloy , Superalloy , Iron Base
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name BRIGHTRAY®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals BRIGHTRAY® Alloy F Electrical Resistance Alloy.pdf
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Material Notes:
A nickel-iron-chromium electrical-resistance alloy for use at temperatures up to 1920°F (1050°C) under continuous operating conditions. Its high iron content and relatively low level of nickel make it particularly resistant to internal oxidation in atmospheres that alternate between oxidizing and reducing or carburizing. The alloy has a high temperature coefficient of resistance. Used for heating elements in industrial furnaces. Standard product forms are sheet and strip.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 7.86 g/cc
0.284 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 690 MPa
100000 psi
Annealed prior to test
540 MPa

@Temperature 550 °C
78300 psi

@Temperature 1020 °F
Annealed prior to test
Tensile Strength, Yield 370 MPa

@Strain 0.200 %
53700 psi

@Strain 0.200 %
Annealed prior to test
270 MPa

@Strain 0.200 %,
Temperature 550 °C
39200 psi

@Strain 0.200 %,
Temperature 1020 °F
Annealed prior to test
Thermal Properties Metric English Comments
CTE, linear 15.0 µm/m-°C

@Temperature 20.0 - 100 °C
8.33 µin/in-°F

@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.450 J/g-°C
0.108 BTU/lb-°F
Melting Point 1330 - 1400 °C
2430 - 2550 °F
Solidus 1330 °C
2430 °F
Liquidus 1400 °C
2550 °F
Component Elements Properties Metric English Comments
Carbon, C 0.050 %
0.050 %
Chromium, Cr 18 %
18 %
Iron, Fe 42 %
42 %
Manganese, Mn 1.2 %
1.2 %
Nickel, Ni 37 %
37 %
Silicon, Si 2.3 %
2.3 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000108 ohm-cm
0.000108 ohm-cm
Temperature coefficient of resistance is 290 µOhm/Ohm-°C in the range 25-500°C.
Magnetic Permeability 1.038
1.038
at 200 oersted (15.9 kA/m)
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