Home > Kovar Sheets and Plates
Tanvir Nickel Alloys is a trusted name in the steel industry, specializing in the treatment and supply of premium grade nickel-based alloys. Known for its quality and accuracy, the company caters to a wide range of technical needs throughout Cairo, the Egypt, and beyond. The Kovar Sheets & Plates stand out in this offering, known for their exceptional thermal expansion and durability. Tanvir Nickel Alloys ensures reliable solutions designed to meet the toughest of specifications, making them the preferred partner in engineering and manufacturing.
Kovar Sheets and Plates are made of 29% nickel, 17% cobalt, and a balance of iron, with trace elements such as manganese and silicon. Their technical properties include approximately 485 MPa tensile strength, 240 MPa yield strength and 20% expansion Known for their low temperature expansion they match glass and ceramic multipliers, ensuring good sealing. Benefits include excellent design stability in extreme temperatures, corrosion resistance, and reliable performance in aerospace, electronics, and scientific instruments Casings are ideal for products accuracy requiring hermetic sealing and minimal expansion.
| 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 |
At Tanvir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Nimonic Sheet and Plates in Cairo, Egypt, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Egypt, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Kovar sheets and plates are widely used in applications requiring materials with controlled thermal expansion coefficients. Its primary application is in coatings for electronics and optical devices, such as vacuum tubes, transistors, and microwave components. Kovar’s compatibility with glass and ceramics makes it ideal for hermetic seals in aerospace, telecommunications and medical devices. Moreover, they are used in precision devices and sensors where dimensional stability under different temperatures is important. Resistance to thermal expansion ensures reliable performance in high-tech applications.
