0Cr21Al4 High Resistance Alloy

Introduction:
0Cr21Al4 resistance alloy is made by FeCrAl alloy with stable resistivity, good oxidation resistance and a maximum operating temperature of 1100℃.

Supplied styles and specifications
Shape Specification
Wire Diameter: 0.03mm-8mm
Flat strip Width: 0.4-40mm Thickness: 0.03-2.9mm
Strip Width: 8-250mm Thickness: 0.1-3.0mm
Foil Width: 6-120mm Thickness: 0.003-0.1
Rod Diameter: 8-100mm Length: 50-1000 mm

Application
0Cr21Al4 resistance alloy is mainly used in household heating elements, metal smelting and industrial furnace.

Chemical composition (%)
C P S Mn Si Cr Ni Al Fe Other
0.12 0.025 0.025 0.70 ≤ 1.0 18.0~21.0 ≤ 0.60 3.0~4.2 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
550 750 16 7.35 1.23 13 13.5x10-6 0.49 1500 1100 Non
Resistance temperature factor (correction factor)
20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃ 700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃
1 1.005 1.014 1.028 1.044 1.064 1.090 1.120 1.132 1.142 1.150 - - -

Index
iron chromium aluminium alloy, resistance wire, alloy strip, NiCr alloy

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