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Alloy 46: Consisting of 46% nickel and iron balance, 46 Alloy is a controlled expansion alloy used mostly in electronic applications, especially for glass and ceramic seals. Alloy 46 is also known as Pernifer 462, NILO 464, and Glass-Seal 461
46 Alloy foil Consisting of 46% nickel and iron balance, 46 Alloy is a controlled expansion alloy used mostly in electronic applications, especially for glass and ceramic seals. Alloy 46 is also known as Pernifer 462, NILO 464, and Glass-Seal 461.
National Electronic Alloys primarily stocks and distributes 46 Alloy.
Alloy 46 Composition:
| Grade | Chemical Composition (%) | ||||||||
| C | P | S | Mn | Si | Ni+Co+Cu | Co | Cu | Fe | |
| ≤ | |||||||||
| 4J46 | 0.05 | 0.020 | 0.020 | 0.40 | 0.30 | 45.0～46.0 | 5.0～6.0 | 3.0～4.0 | Balance |
| Alloy Type | Trade Name | UNS No. | Standard | Forms | |||
| Rod | Strip | Wire | Sheet | ||||
| Ni29Co17 | Kovar | K94610 | ASTM F15 | Y | Y | Y | Y |
| FeNi36 | Invar 36 | K93603 | ASTM 1684 | Y | Y | Y | |
| FeNi32Co5 | Super-invar 32-5 | K93500 | ASTM F1684 | Y | Y | Y | |
| FeNi33Co17 | Ni33Co17 | YB/T5234-94 | Y | Y | Y | Y | |
| FeNi27Co25 | Ceramvar | F1466 | ASTM F1466 | Y | Y | Y | Y |
| Fe28Cr | Alloy 27 | K92801 | ASTM F256 | Y | Y | Y | |
| Fe42Ni6Cr | Alloy 426 | K94760 | ASTM F31 | Y | Y | Y | |
| Fe42Ni | Alloy 42 | K94100 | ASTM F30 | Y | Y | Y | |
| Fe45Ni | Alloy45 | YB/5235-2005 | Y | Y | Y | ||
| Fe46Ni | Alloy46 | K94600 | ASTM F30 | Y | Y | Y | |
| Fe50Ni | Alloy52 | K95050 | ASTM F30 | Y | Y | Y | |
Notes:
1,Under condition that the average coefficient of the linear expansion meets the requirements of the standard,
the content of nickel, cobalt and copper are allowed to deviate from the stated range.
