Brand: ohmalloy
Price: USD 30 / Kilogram
Min. Order: 1 Kilogram
OhmAlloy123
(Common Name:0Cr21Al4) 
OhmAlloy123 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by moderate resistivity and good oxidation resistance.It is suitable for use at temperatures up to 1100°C.
 
Typical applications for OhmAlloy123 are used as elements in home appliances,melting and industrial furnace.
Normal composition%

C P S Mn Si Cr Ni Al Fe Other
Max
0.12 0.025 0.025 0.70 Max 1.0 18.0~21.0 Max 0.60 3.0~4.2 Bal. -

 
Typical Mechanical properties（1.0mm）

Yield strength Tensile Strength Elongation
Mpa Mpa %
550 750 16
 
Typical Physical properties

Density (g/cm3) 7.35
Electrical resistivity at 20℃(Ωmm2/m) 1.23
Conductivity coefficient at 20℃ (WmK) 13

Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃ 13.5
 

Specific heat capacity
Temperature 20℃
J/gK 0.49
 
Melting point (℃) 1500
Max continuous operating temperature in air (℃) 1100
Magnetic properties non-magnetic
 
Temperature Factor of Electrical Resistivity
20℃ 100℃ 200℃ 300℃ 400℃ 500℃ 600℃ 700℃ 800℃ 900℃ 1000℃ 1100℃ 1200℃ 1300℃
1 1.005 1.014 1.028 1.044 1.064 1.090 1.120 1.132 1.142 1.150 - - -

 
Style of supply
Alloys Name Type Dimension
OhmAlloy125W Wire D=0.03mm~8mm
OhmAlloy125R Ribbon W=0.4~40 T=0.03~2.9mm
OhmAlloy125S Strip W=8~250mm T=0.1~3.0
OhmAlloy125F Foil W=6~120mm T=0.003~0.1
OhmAlloy125B Bar Dia=8~100mm L=50~1000