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Special Metals BRIGHTRAY® Alloy B Electrical Resistance Alloy

Category Metal , Electronic/Magnetic Alloy , Nonferrous Metal , Nickel Alloy , Superalloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name BRIGHTRAY®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals BRIGHTRAY® Alloy B Electrical Resistance Alloy.pdf
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Material Notes:
A nickel-iron-chromium electrical-resistance alloy for use at operating temperatures up to 2010°F (1100°C). It contains rare-earth additions for increased oxidation resistance, especially under conditions of frequent switching or wide temperature fluctuations. The alloy has a relatively high temperature coefficient of resistance. Used for heating elements in domestic appliances and industrial equipment. Standard product forms are sheet, strip, and wire.Data provided by the manufacturer, Special Metals.
Physical Properties Metric English Comments
Density 8.35 g/cc
0.302 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength, Ultimate 620 MPa
89900 psi
Annealed prior to test
540 MPa

@Temperature 550 °C
78300 psi

@Temperature 1020 °F
Annealed prior to test
Tensile Strength, Yield 210 MPa

@Strain 0.200 %
30500 psi

@Strain 0.200 %
Annealed prior to test
170 MPa

@Strain 0.200 %,
Temperature 550 °C
24700 psi

@Strain 0.200 %,
Temperature 1020 °F
Annealed prior to test
Thermal Properties Metric English Comments
CTE, linear 12.5 µm/m-°C

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

@Temperature 68.0 - 212 °F
Specific Heat Capacity 0.461 J/g-°C
0.110 BTU/lb-°F
Melting Point 1400 - 1420 °C
2550 - 2590 °F
Solidus 1400 °C
2550 °F
Liquidus 1420 °C
2590 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.15 %
<= 0.15 %
Chromium, Cr 14 - 18 %
14 - 18 %
Iron, Fe 25 %
25 %
As remainder
Manganese, Mn <= 1.0 %
<= 1.0 %
Nickel, Ni >= 57 %
>= 57 %
Including Cobalt
Silicon, Si 0.75 - 1.75 %
0.75 - 1.75 %
Sulfur, S <= 0.010 %
<= 0.010 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.000110 ohm-cm
0.000110 ohm-cm
Temperature coefficient of resistance is 180 µOhm/Ohm-°C in the range 25-500°C.
Magnetic Permeability 1.68
1.68
at 200 oersted (15.9 kA/m)
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