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.
| 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. |
- |
Normal composition%
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 20ºC(Ωmm2/m) |
1.25 |
| Conductivity coefficient at 20ºC (WmK) |
15 |
| Coefficient of thermal expansion |
| Temperature |
Coefficient of Thermal Expansion x10-6/ºC |
| 20 ºC- 1000ºC |
15.4 |
| Specific heat capacity |
| Temperature |
20ºC |
| J/gK |
0.49 |
| Melting point (ºC) |
1450 |
| Max continuous operating temperature in air (ºC) |
950 |
| Magnetic properties |
non-magnetic |
Temperature Factor of Electrical Resistivity
| 20ºC |
100ºC |
200ºC |
300ºC |
400ºC |
500ºC |
600ºC |
700ºC |
800ºC |
900ºC |
1000ºC |
1100ºC |
1200ºC |
1300ºC |
| 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 |
Audited Supplier 
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