a
Nickel-Chromium Alloy - Cr20Ni30 *
Chemical Composition:
| C |
P |
S |
Mn |
Si |
Cr |
Ni |
Al |
Fe |
| ≤ |
| 0.08 |
0.02 |
0.015 |
1.0 |
1.0~2.0 |
18~21 |
30~34 |
－ |
Bal. |
Properties:
| Max. continuous service Temp. |
1100ºC |
| Resistivity at 20ºC |
1.04±0.05 μΩ·m |
| Density |
7.90
g/cm3 |
| Thermal conductivity |
43.8
KJ/m·h·ºC |
| Coefficient of linear expansion |
19.0
α×10-6/ºC |
| Specific heat |
0.500
J/g·ºC |
| Approx.
melting point |
1390ºC |
| Elongation |
≥20% |
| Accelerated life |
≥80h/1100ºC |
| Micrographic structure |
austenite |
| Magnetic properties |
Weak magnetic |
* Cr20Ni30 alloy is from Chinese Standard GB/T1234-1995 and GB/T1234-2012.