• 9341 Penn Ave S, Bloomington, MN 55431
  • 800-447-3317

We supply Kovar in rod, sheet, and milled shapes and forgings.

Kovar is a glass-to-metal sealing alloy covered by the ASTM F-15 specification.

Chemical Data, Mechanical Properties and Specifications for Kovar.

Nominal Chemical Range
Element Minimum Maximum
Carbon -- 0.06
Chromium -- 0.20
Cobalt -- 17.0
Copper -- 0.20
Iron Bal --
Manganese -- 0.50
Molybdenum -- 0.20
Nickel -- 29.0
Phosphorus -- 0.025
Silicon -- 0.20
Sulfur -- 0.025
Zirconium -- 0.10

 

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Typical Mechanical Properties
Temper Tensile Strength Yield Strength Elongation at Break
Annealed 75 ksi 50 ksi 30.0%

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Specifications
ASTM F15
UNS K94610

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