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Elvis Nickel Alloys is a trusted manufacturer and supplier specializing in quality nickel alloys. Committed to excellence, they offer a wide range of products including Kovar foil. Kovar is a high performance alloy known for its low temperature expansion and excellent thermal conductivity, making it ideal for applications in electronics, aerospace, and other industrial applications Elvis Nickel Alloys is dedicated to to deliver high quality products, ensuring reliability and accuracy for their global customers.
Elvis Nickel Alloys is a reputable Kovar Foil Manufacturer based in Texas, USA, with its roots firmly planted in Houston. We pride ourselves on delivering top-notch Kovar foils that cater to the needs of high-precision industries. Our commitment to engineering excellence, cutting-edge technology, and rigorous quality control ensures that our Kovar foils meet global standards for both performance and reliability. Our dedicated team serves various sectors, including electronics, aerospace, defense, and medical equipment, providing tailored solutions, quick delivery, and competitive pricing. At Elvis Nickel Alloys, we are devoted to supporting our clients with products designed to tackle even the toughest applications.
| Standard Specification : | UNS K94610 | Werkstoff Nr 1.3981 | DIN 17745 | ASTM F15 | AMS 7726 | AFNOR NF A54-301 | S.E.W 385 |
| Dimensions : | ASTM, ASME, and API |
| Sheets Thickness : | Range from .008″ to .0125″ |
| Plates Thickness : | Ranges from .0125″ to 5.00″ |
| Sheets/Plates Width : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Sheets/Plates Length : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Tempers : | Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard |
| Hardness : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Value Added Service : | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Chemical Analysis | |
| Cr | 20 nom |
| Ni | 35 nom |
| Mo | 10 nom |
| Co | 35 nom |
| Material | Condition | Yield Strength (0.1% Offset) | Tensile Strength | Elongation % | ||
|---|---|---|---|---|---|---|
| psi | MPa | psi | MPa | |||
| Alloy K Kovar | Annealed | 49,000 | 340 | 75,000 | 520 | 42 |
Our Kovar foils, made in Texas, USA, feature a composition of approximately 29% nickel, 17% cobalt, and the remainder being iron, along with small amounts of manganese and silicon. This distinctive blend guarantees a low and consistent coefficient of thermal expansion, making it a perfect match for glass or ceramic materials. On the mechanical side, Kovar foil boasts a tensile strength close to 517 MPa, a yield strength around 276 MPa, and a minimum elongation of 30%. It offers remarkable dimensional stability and strength across a wide temperature range, making it an excellent choice for precision electronics and hermetic sealing applications.
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Our Kovar foils are crucial for applications that require dependable metal-to-glass or metal-to-ceramic sealing, such as vacuum tubes, semiconductor device enclosures, and power tube components. These foils find extensive use in aerospace instrumentation, defense electronics, and medical device assemblies, where compatibility with thermal expansion and seal integrity are paramount. Kovar foils help prevent cracking and seal failures, ensuring the long-lasting durability of sensitive systems. Their unique characteristics make them essential for high-performance and high-reliability applications across advanced industries.