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0Cr21Al6Nb

Iron Fe Bal.
Chromium Cr 21.0~23.0%
Aluminium Al 5.0~7.0%
Silicon Si ≤0.6%
Nickel Ni ≤0.60%
Manganese Mn ≤0.70%
Carbon C ≤0.05%
Sulphur S ≤0.025%
Phosphorus P ≤0.025%
Niobium Nb 0.5%

            

0Cr21Al6Nb 
heating alloy is composed of iron, chromium and aluminum with high resistivity, low resistivity, high working temperature, good oxidation resistance at high temperature, and the highest applicable temperature is up to 1250 degrees. The alloy is mainly used in industrial electric furnaces, household electric heating components and far infrared equipment components.

0Cr21Al6Nb Mechanical performance (1.0mm)

Yield Strength tensile strength Elongation
Mpa Mpa %
550 725 22

0Cr21Al6Nb Physical properties

 

Density Resistivity at 20℃  Thermal conductivity at 20°C Specific heat capacity 
  at 20℃ 
Melting point Maximum use temperature of the element Magnetic
(g/cm3)  (Ωmm2/m) (WmK) J/gK (℃) (℃)  
7.1 1.45 13 0.49 1510 1350 Non
 
Thermal expansion coefficient
Temperature Average linear expansion coefficientx10-6/℃
20 ℃- 1000℃ 16

 
0Cr21Al6Nb Resistance temperature factor (correction factor)
20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃
1 0.997 0.996 0.994 0.991 0.990 0.990 0.990 0.990 0.990 0.990 0.990
 
Supply form and specification
 
Alloy grade Form Specification
0Cr21Al6Nb Wire Diameter=0.03mm~8mm
0Cr21Al6Nb Flat wire Width=0.4~40 Thick=0.03~2.9mm
0Cr21Al6Nb Strip width=8~250mm Thick=0.1~3.0mm
0Cr21Al6Nb Foil width=6~120mm Thick=0.003~0.1mm
0Cr21Al6Nb Bar Diameter=8~100mm Long=50~1000

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