Glass-Sealing Kovar Wire, .016" (0.41mm) x 50'

  • Article # 1191
  • W-KOVAR-016-50
  • 0.098kgs
  • 8 unités en stock
  • Fabriqué par: ElectronTubeStore

$135.29

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One 50' length of Kovar alloy wire. Cleaned and furnished on a 2" plastic spool.

This nickel/iron/cobalt alloy has thermal expansion characteristics matching those of hard glasses (such as borosilicate glass) and ceramics. Kovar is used in the manufacture of vacuum tube feedthroughs, scientific apparatus and hermetically sealed semiconductor packages.

We can provide this wire in custom lengths or in prepared borosilicate glass beads. We can also manufacture custom Kovar feedthroughs (please inquire).

  • Material: Kovar / Rodar
  • Diameter: .016" ±.0005 (0.41mm ±.01)
  • Length: 50' (15m) min.
  • Net Weight: 17.5g
  • Coefficient Of Thermal Expansion (30-400°C): 4.6 - 5.2 cm/cm/°C x 10-6
  • Coefficient Of Thermal Expansion (30-450°C): 5.1 - 5.5 cm/cm/°C x 10-6
  • Melting Point: 2642°F (1450°C)
  • Resistivity: 0.49 microhm-m
  • Density: 8.36 g/cm3
  • Chemical Composition:
    Fe
    53%
    Ni
    29.0%
    Co
    17.0%
    C
    .06%
    Mn
    .30%
    Si
    .10%
  • Meets: ASTM F-15 (astm.org/Standards/F15.htm)
  • COO: Canada

Produit disponible depuis 03/31/2011

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