Brand: ohmalloy
Price: USD 5 / Kilogram
Min. Order: 1 Kilogram
OhmAlloy142A
(Common Name:0Cr21Al6) 
OhmAlloy142A 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 OhmAlloy142A are used in electric ceramic cooktop,industrial furnace,heaters and catalytic purifier.
Normal composition%

C P S Mn Si Cr Ni Al Fe Other
Max
0.06 0.025 0.025 0.70 Max 1.0 19.0~22.0 Max 0.60 5.0~7.0 Bal. -
 
Typical Mechanical properties（1.0mm）

Yield strength Tensile Strength Elongation
Mpa Mpa %
520 720 20
 
Typical Physical properties

Density (g/cm3) 7.16
Electrical resistivity at 20℃(Ωmm2/m) 1.42
Conductivity coefficient at 20℃ (WmK) 13

Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃ 14.7
 

Specific heat capacity
Temperature 20℃
J/gK 13
 
Melting point (℃) 1500
Max continuous operating temperature in air (℃) 1250
Magnetic properties non-magnetic
 
Temperature Factor of Electrical Resistivity
20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃
1 1.000 1.002 1.006 1.011 1.020 1.037 1.046 1.049 1.052 1.055 1.058 -

 
Style of supply
Alloys Name Type Dimension
OhmAlloy142AW Wire D=0.03mm~8mm
OhmAlloy142AR Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy142AS Strip W=8~250mm T=0.1~3.0
OhmAlloy142AF Foil W=6~120mm T=0.003~0.1
OhmAlloy142AB Bar Dia=8~100mm L=50~1000