Properties
4J22 and 4J29 alloys have a thermal expansion coefficient similar to glass and easily form compact oxide film necessary for the sealing.
Specifications
|
Item |
C |
S |
P |
Mn |
Si |
Ni |
Cr |
Co |
Cu |
Mo |
Al |
Fe |
|
4J29 |
≤0.03 |
≤0.02 |
≤0.02 |
≤0.50 |
≤0.30 |
28.5~ |
≤0.2 |
16.8~ |
≤0.2 |
≤0.2 |
Bal |
|
|
4J33 |
≤0.05 |
≤0.02 |
≤0.02 |
≤0.50 |
≤0.30 |
32.1~ |
14.0~ |
Bal |
||||
|
4J42 |
≤0.05 |
≤0.02 |
≤0.02 |
≤0.80 |
≤0.30 |
41.5~ |
≤0.1 |
≤0.10 |
Bal |
Application
4J33 alloy has a thermal expansion coefficient similar to porcelain. It is used for vacuum electronic component.
