Brand: ohmalloy
Price: USD 5 / Kilogram
Min. Order: 1 Kilogram
OhmAlloy145
(Common Name:0Cr21Al6Nb,Kanthal A,Alloy 835) 
OhmAlloy145 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 1250°C.
 
Typical applications for OhmAlloy145 are used in industrial electric furnace, household electrical appliance and far infrared ray device.
Normal composition%
C P S Mn Si Cr Ni Al Fe Other
Max
0.05 0.025 0.025 0.70 Max 0.6 21.0~23.0 Max 0.60 5.0~7.0 Bal. Nb 0.5
 
Typical Mechanical properties（1.0mm）

Yield strength Tensile Strength Elongation
Mpa Mpa %
550 725 22
 
Typical Physical properties

Density (g/cm3) 7.10
Electrical resistivity at 20℃(Ωmm2/m) 1.45
Conductivity coefficient at 20℃ (WmK) 13

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 (℃) 1510
Max continuous operating temperature in air (℃) 1350
Magnetic properties non-magnetic
 
Temperature Factor of Electrical Resistivity
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
 
Style of supply
Alloys Name Type Dimension
OhmAlloy145W Wire D=0.03mm~8mm
OhmAlloy145R Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy145S Strip W=8~250mm T=0.1~3.0
OhmAlloy145F Foil W=6~120mm T=0.003~0.1
OhmAlloy145B Bar Dia=8~100mm L=50~1000