|
Ni 28,5-29,5% |
Fe 51,14-54,5% |
C 0.03% |
Si 0.3% |
Mn 0,4 % |
S o 0.015% |
|
P 0.015% |
o 17-18% |
Ti 0.1% |
Al 0.2% |
Cu 0.2% |
Cr 0,1 % |
| Temperature coefficient of linear expansion αsr ? 10-6 K-1 in the temperature range, ° C |
inflection point temperature, ° C
No less |
Heat treatment regime blanks and samples | ||||||||
| 20-80 | 20-100 | 20-300 | 20-400 | 20-450 | 20-500 | 20-800 | ||||
| - | - | 4,6-5,6 | 4,6-5,2 | - | 5,9-6,4 | - | 420 | samples and blanks annealing in hydrogen, a vacuum or protective atmosphere at a temperature (960 ± 20) ° C, holding 1 hr., cooling with the furnace or container to 200 ° C at a rate not exceeding 10 ° C / min | ||
| Property | sintered | HIPed | ||||||||
| Density / g cm3 | 8.0 | 8.35 | ||||||||
| Hardness / HV1 | 160 | 150 | ||||||||
| Youngs Modulus / GPa | 138 | 138 | ||||||||
| reduction of area at fracture / % | 30 | 30 | ||||||||
| yield strength / MPa | 270 | 270 | ||||||||
| thermal conductivity / W/Km | 17 | |||||||||
| Curie Temperature / °C | 435 | |||||||||
| electrical resistivity Ω mm2 / m | 0.49 | |||||||||
| specific heat J/gK | 0.46 | |||||||||
| thermal expansion coefficient/10?6 K?1 (25 - 200 °C) | 5.5 | |||||||||
| (25-300 °C) | 5.1 | |||||||||
| (25-400 °C) | 4.9 | |||||||||
| (25-450 °C) | 5.3 | |||||||||
| (25-500 °C) | 6.2 | |||||||||