Kovar Alloy F15

Kovar Alloy F15

Shapes Available

  • Coil
  • Round Bar
  • Sheet


  • Aerospace
  • Electrical
  • Manufacturing
  • Medical

Industry Names

  • ASTM F15 Alloy
  • Kovar


  • Exotic
  • Specialty Steel


  • AMS I-23011C CL 1
  • ASTM F1466
  • ASTM F15
  • MIL I 23011C Class 1
  • UNS K94610


  • Computers
  • Hybrids
  • Microwaves
  • Semi Conductors


  • Extremely Stable
  • Good Electrical Alloy

Kovar is a nickel-cobalt based iron alloy. This alloy is a controlled expansion alloy uses for ceramic and glass metal seals. Kovar is produced to deal with microwave, semi-conductor, computer and other aerospace and space applications. Kovar is generally very stable down to low temperatures.

Please contact us to request a quote. We specialize in hard to find material.

We work closely with many manufacturers in the aerospace & defense industry. We work with NADCAP approved heat treaters and testing laboratories. We can supply DFARS compliant material.

Chemical Composition
C- .06
Co- 17.0
Cr- .20
Cu- .2
Fe- Bal
Mn- .5
Mo- .2
Ni- 29.00
P- .025
S- .025
Si- .2
Zr- .25
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