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52 Alloy
Alloy 52,ASTM F30,UNS K95050,(Fe-50Ni),Chinese 4J50More +
Alloy 52 is a 52% nickel-iron alloy developed for glass-to-metal seals for some of the soft glasses and some ceramics. Produced with good machining properties, it’s manufactured in a controlled environment under controlled conditions.
Forms: Sheet/Plate, Bar/Rod/Wire/Coil,Capillary/Pipe/Tube
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Alloy 27
Alloy 27,ASTM F-256,UNS K92801,(Fe-28Cr),Chinese 4J28 Alloy 27, it’s glass-to-metal sealing and iron-chromium alloy. Nominally 28 % chromium, in strip, bar, wire, and rod forms intended primarily for sealing to glass in electronic applications. UNS K92801 should only be considered for use at service temperatures below 300°C. Forms: Sheet/Plate, Bar/Rod/Wire/Coil,Capillary/Pipe/TubeMore +
- [Industry News]Glass-to-metal sealing in vacuum industry2017.01.05 14:38
- Glass-to-metal sealing structure is commonly used in vacuum system, which requires air tightness and a certain intensity, baking resistance and certain electric insulation resistance. Glass-to-metal seal types are commonly divided into three parts: (1) matching sealing; (2) non-matching sealing; (3) transition sealing.
- read（44）
- [Industry News]Glass-to-metal seal2016.11.14 14:24
- Glass-to-metal seals are a very important element of the construction of vacuum tubes, electric discharge tubes, incandescent light bulbs, glass encapsulated semiconductor diodes, reed switches, pressure tight glass windows in metal cases, and metal or ceramic packages of electronic components.
- read（36）
- [Latest News]XAGY Kovar alloy applied to Glass-to-metal seals2016.09.12 14:20
- Kovar Alloy is a vacuum melted, iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties. Extensive quality controls are employed in the manufacture of this alloy to ensure uniform physical and mechanical properties for ease in deep drawing, coining, stamping and machining.
- read（21）
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