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Kovar, Iron-Nickel–Cobalt Low Expansion Sealing Alloy

Description

Kovar alloy is a vacuum melted, Fe-Ni-Co, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties.

Kovar Alloy, also know as ASTM F-15, NILO K, Pernifer 2918, Rodar, and Dilvar P1
Kovar is a registered trade name of Carpenters Corp.

Applications

Power tubes, microwave tubes, transistors, diodes, hybrid packages, and other kinds of scientific instruments.

Specifications

UNS# K94610
7726E IRON-NICKEL-COBALT ALLOY WIRE, LOW EXPANSION, GLASS SEALING
7727C IRON-NICKEL-COBALT ALLOY, BARS & FORGINGS, LOW EXPANSION, GLASS SEALING
7728F IRON-NICKEL-COBALT ALLOY, BARS & FORGINGS, LOW EXPANSION, GLASS SEALING
F-15 SPEC. FOR IRON-NICKEL-COBALT SEALING ALLOY
MIL-I-23011C,( CLASS 1 ) IRON NICKEL ALLOYS FOR SEALING TO GLASSES & CERAMICS
MIL-STD-1276, TYPE K ,LEADS FOR ELECTRONIC COMPONENT PARTS

Available Forms

  • Bar
  • Coil
  • Pipe
  • Sheet
  • Tubes
  • Wire