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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 |