Locomotive Resistance 0cr13al4 / Alkrothal 720 Strip
Common name: 1Cr13Al4, Alkrothal 14, Alloy 750, Alferon 902, Alchrome 750, Resistohm 125, Aluchrom W, 750 Alloy, Stablohm 750.
TANKII 125 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 TANKII125 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 20ºC(ohm mm2/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 |
Nominal Analysis
Max contineous working temperature: 1250ºC.
Melting Temperature: 1450ºC
Electric Resistivity: 1.25 ohm mm2/m
Has been used extensively as heating elements in industrial furnaces and electrical kilns.
Has less hot strength than Tophet alloys but much higher melting point.
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