Precision Machining Knowledge Base
Engineering guides and metallurgical insights for Kovar, Fe-Ni-Co alloys, and hermetic sealing applications.
Kovar vs Nickel Iron Alloys: Key Differences, Properties & Applications
When we design hermetic electronic packages, optoelectronic modules, or precision instruments, one of the first material decisions we face is whether to use Kov…
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Kovar vs Stainless Steel: Key Differences, Properties, and When to Use Each
At KELTRYN, we spend our days machining Kovar and Fe-Ni-Co alloys for hermetic, high-reliability applications. One question we hear constantly from engineers an…
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Kovar vs Inconel: Key Differences, Properties, and Applications
When an engineer places Kovar and Inconel side by side, it’s natural to ask: aren’t they both nickel-based alloys? The short answer is yes, but their similariti…
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Kovar vs Invar: Key Differences, Properties, and How to Choose
When a design engineer hands me a drawing with a note that says “CTE must match borosilicate glass,” I know immediately which alloy they need. But when the requ…
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Kovar Thermal Expansion Coefficient: The Complete Guide for Engineers & Designers
If you’ve ever worked on a hermetic glass-to-metal seal or a ceramic-to-metal package, you’ve likely encountered Kovar. And if you’ve had a seal fail during the…
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Why Kovar Is Used in Hermetic Sealing
If you’ve ever designed a glass-to-metal seal for a mission-critical electronic package, you’ve likely crossed paths with Kovar. At KELTRYN, we machine Kovar co…
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What Is Kovar Alloy? Composition, Properties, Uses, and Comparisons
If you work with hermetic electronic packages, glass-to-metal seals, or high-reliability components that must survive thermal cycling, you’ve probably encounter…
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Share drawings, CAD files, material requirements, quantities, tolerances, finishing needs, inspection requirements, and your target timeline. Our team will review the details and respond by email.
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- 2D drawings or 3D CAD files
- Material: Kovar / ASTM F15 / Fe-Ni-Co alloy
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Direct email: info@kovarmachining.com