ALLOY 4J29 Controlled expansion alloy
Features
- This is an iron-nickel-cobalt alloy, the coefficient of expansion of 4J29 alloy is close to borosilicate glass within the temperature range of -80~450℃
- It has a high Curie temperature and maintains stability at low temperatures.
Chemical Analysis
| % | Fe | Ni | Cr | Co | Cu | C | Mn | Si | P | S | Mo | |
| 4J29 | Min. | Balance | 28.5 | 16.8 | ||||||||
| Max. | Balance | 29.5 | 0.2 | 17.8 | 0.2 | 0.03 | 0.5 | 0.3 | 0.002 | 0.2 | 0.2 |
Coefficient of Linear Expansion
| 20-100°C | 20-300°C | 20〜400oC | 20 〜450°C | 20-500°C | 20~560°C |
| - | - | 4.6 〜5.2 | 5.1~ 5.5 | - | - |
- Applications
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