a
Iron-Chrome-Aluminum Alloy–0Cr21Al6Nb
Common Names: KA1，Kanthal A-1, Aluchrom O, Alchrome 875, Alloy 875, Icralloy 25, Resistohm 145, Alferon 25, MWS-875, Stablohm 875
Chemical Composition:
| C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
Other |
| ≤ |
| 0.05 |
0.025 |
0.025 |
0.7 |
≤0.6 |
21~23 |
≤0.6 |
5~7 |
Bal. |
Nb
0.5 |
Properties:
| Max. continuous service Temp. |
1350ºC |
| Resistivity at 20ºC |
1.45±0.07 μΩ·m |
| Density |
7.10
g/cm3 |
| Thermal conductivity |
46.1
KJ/m·h·ºC |
| Coefficient of linear expansion |
16.0
α×10-6/ºC |
| Specific heat |
0.494
J/g·ºC |
| Approx.
melting point |
1510ºC |
| Elongation |
≥12% |
| Accelerated life |
≥50h/1350ºC |
| Micrographic structure |
ferrite |
| Magnetic properties |
magnetic |