Iron Nickel Alloy Rod is provided with a special (minimum or constant ) linear expansion coefficient in a certain range of temperature. It is widely applied in electronic parts of aviation apparatus and instruments, electronic vacuum industry and other electronic apparatus, such as seals for soft glass or ceramic in electro-vacuum industry, anode caps, down-lead frames and other electro-vacuum components .
Iron Nickel Alloy Rod Specification:
Alloy: | 4J42, 4J45, 4J50, 4J52, 4J54. |
Availability: | Strips, Bars, Wires, Flats. |
Typical characteristics: | FeNi Glass Sealing Alloys take on a constant linear expansion coefficient under a certain range of temperature. |
Applications: | They are mainly used for match sealing soft glass in ceramic. |
Standard: | YB/T5235-93, Q/SYY 7-1999 |
Normal composition%
Ni | 41.5~42.5 | Fe | Bal. | Co | - | Si | ≤0.3 |
Mo | - | Cu | - | Cr | - | Mn | ≤0.8 |
C | ≤0.05 | P | ≤0.02 | S | ≤0.02 | Al | ≤0.1 |
Density (g/cm3) | 8.12 |
Electrical resistivity at 20ºC(Om*mm2/m) | 0.61 |
Thermal conductivity, λ/ W/(m*ºC) | 14.6 |
Curie point Tc/ ºC | 360 |
Elastic Modulus, E/ Gpa | 147 |
Iron Nickel Alloy Rod Picture: