Brand: ohmalloy
Price: USD 5 / Kilogram
Min. Order: 1 Kilogram
OhmAlloy145A
(Common Name:0Cr20Al5) 
OhmAlloy145A 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 OhmAlloy145 are used in industrial electric furnace,electric ceramic cooktop.
Normal composition%
C P S Mn Si Cr Ni Al Fe Other
Max
0.04 0.02 0.015 0.50 Max 0.4 20.0-21.0 Max 0.10 4.5-6 Bal. /
 
Typical Physical properties

Density (g/cm3) 7.10
Electrical resistivity at 20℃(Ωmm2/m) 1.45
Conductivity coefficient at 20℃ (WmK) 13
Tensile Strength(Mpa) 637-784
Elongation Min 16%
Harness(HB) 200-260
Section Variation Shrink Rate 65-75%
Repeatedly Bend Frequency Min 5 times


 
 

Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃ 16
 

Specific heat capacity
Temperature 20℃
J/gK 0.49
 
Melting point (℃) 1500
Max continuous operating temperature in air (℃) 1300
Magnetic properties magnetic
 
Style of supply
Alloys Name Type Dimension
OhmAlloy145AW Wire D=0.03mm~8mm
OhmAlloy145AR Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy145AS Strip W=8~250mm T=0.1~3.0
OhmAlloy145AF Foil W=6~120mm T=0.003~0.1
OhmAlloy145AB Bar Dia=8~100mm L=50~1000