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
| 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.
