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 |
| Typical Mechanical Properties | |||
|---|---|---|---|
| Temper | Tensile Strength | Yield Strength | Elongation at Break |
| Annealed | 75 ksi | 50 ksi | 30.0% |
{tab Specs}
| Specifications |
| ASTM F15 |
| UNS K94610 |
