Price: USD 30 / Kilogram
Min. Order: 1 Kilogram
OhmAlloy125
(Common Name:1Cr13Al4,Alkrothal 14,Alloy 750,Ohmalloy 40,Alferon 902,Alchrome 750,Resistohm 125,Aluchrom W,750 Alloy,Stablohm 750.) 
OhmAlloy125 is a iron-chromium-aluminium alloy (FeCrAl alloy) characterized by Stable performance,
Anti-oxidation,Corrosion resistance,High temperature stability,Excellent coil-forming ability,Uniform and beautiful surface condition without spots.It is suitable for use at temperatures up to 950°C.
 
Typical applications for OhmAlloy125 are used in electric locomotive, diesel locomotive,metro vehicle and high speed moving car etc brake system brake resistor,electric ceramic cooktop,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 12.0~15.0 Max 0.60 4.0~6.0 Bal. -
 
Typical Mechanical properties（1.0mm）

Yield strength Tensile Strength Elongation
Mpa Mpa %
455 630 22
 
Typical Physical properties

Density (g/cm3) 7.40
Electrical resistivity at 20℃(Ωmm2/m) 1.25
Conductivity coefficient at 20℃ (WmK) 15

Coefficient of thermal expansion
Temperature Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃ 15.4
 

Specific heat capacity
Temperature 20℃
J/gK 0.49
 
Melting point (℃) 1450
Max continuous operating temperature in air (℃) 950
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