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W. Nr. 1.4767 Heating Wire

W. Nr. 1.4767 Heating Wire

0Cr20Al5 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature.It is suitable for use at temperatures up to 1300°C.

0Cr20Al5 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by high resistance, low coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature.It is suitable for use at temperatures up to 1300°C.
 
Typical applications for 0Cr20Al5 are used in industrial electric furnace,electric ceramic cooktop.
Normal composition%

CPSMnSiCrNiAlFeOther
Max
0.040.020.0150.50Max 0.420.0-21.0Max 0.104.5-6Bal./

 
Typical Physical properties

Density (g/cm3)7.10
Electrical resistivity at 20ºC(mm2/m)1.45
Conductivity coefficient at 20ºC (WmK)13
Tensile Strength(Mpa)637-784
ElongationMin 16%
Harness(HB)200-260
Section Variation Shrink Rate65-75%
Repeatedly Bend FrequencyMin 5 times

 

Coefficient of thermal expansion
TemperatureCoefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC16
Alloys NameTypeDimension
0Cr20Al5WWireD=0.03mm~8mm
0Cr20Al5RRibbonW=0.4~40T=0.03~2.9mm
0Cr20Al5SStripW=8~250mmT=0.1~3.0
0Cr20Al5FFoilW=6~120mmT=0.003~0.1
0Cr20Al5BBarDia=8~100mmL=50~1000


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