Ni30Cr20 High Resistance Alloy

Ni30Cr20 High Resistance Alloy
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Introduction:
Ni30Cr20 resistance alloy is composed of nichrome alloy. It is of high resistivity, good oxidation resistance, good stability, ductility and welding performance, having a maximum operating temperature of 1100℃ and a service life longer than FeCrAl alloy.

Style of supply
Style Specification
Wire Diameter: 0.03mm-8mm
Flat strip Width: 0.4-40 Thickness: 0.03-2.9mm
Strip Width: 8-250mm Thickness: 0.1-3.0
Foil Width: 6-120mm Thickness: 0.003-0.1
Rod Diameter: 8-100mm Length: 50-1000

Application
Ni30Cr20 resistance alloy applies widely to storage heater, convection heater, heavy rheostat and fan heater, and deicing element, electric blanket, car cushion, baseboard heater, floor heating and various resistors.

Chemical composition (%)
C P S Mn Si Cr Ni Al Fe Other
Max
0.08 0.02 0.015 1 1.0~2.0 18.0~21.0 30.0~34.0 - Balance -
Parameters
Yield strength (Mpa) Tensile strength
(Mpa)
Elongation (%) Density (g/cm3) Resistivity (20℃)
(Ω·mm2/m)
Heat conductivity (20℃)
(W/(m·K))
Average linear expansion coefficient (20℃-1000℃)
(1/℃)
Specific heat capacity (20℃) (J/( kg℃)) Melting point
(℃)
Max. operating temperature (℃) Magnetism
340 675 35 7.9 1.04 13 19x10-6 0.5 1390 1100 non
Resistance temperature factor (correction factor)
20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃
1 1.023 1.052 1.079 1.103 1.125 1.141
700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃
1.158 1.173 1.187 1.201 1.214 1.226 -

Index
nickel chromium alloy, resistance wire, alloy strip, NiCr alloy

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