Kovar Foil Manufacturer

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Themba Nickel Alloys, based in Cape Town, Cape Town, is a leading manufacturer and supplier of Kovar Sheets and Foils, known for their excellent dimensional stability, thermal expansion compatibility, and corrosion resistance. Made from high-quality Kovar alloy, these sheets and foils are engineered for precise applications in electronics, aerospace, and glass-to-metal sealing industries. Themba Nickel Alloys adheres to stringent international quality standards and precision manufacturing practices, ensuring consistent performance and reliability. Their Kovar Sheets and Foils are ideal for critical industrial applications requiring accurate thermal expansion matching and superior mechanical properties in demanding environments.

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Kovar is an alloy mainly composed of iron (29-17%), nickel (29-17%), cobalt (16-21%), and small amounts of manganese, silicon and carbon. It has excellent thermal expansion properties, which binds to glass, making it ideal for coating glass on metal. Technical properties include high strength, good ductility and thermal and shock resistance. Kovar foil is highly corrosion resistant and maintains its shape and strength at high temperatures. Advantages include glass compatibility for hermetic sealing, excellent performance and thermal stability, making it ideal for electronic, aerospace and electrical applications.

Kovar Foil Specifications

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.

Kovar Foil Chemical Composition

Chemical Analysis
Cr	20 nom
Ni	35 nom
Mo	10 nom
Co	35 nom

Kovar Foil Mechanical Properties

Material	Condition	Yield Strength (0.1% Offset)		Tensile Strength		Elongation %
Material	Condition	psi	MPa	psi	MPa	Elongation %
Alloy K Kovar	Annealed	49,000	340	75,000	520	42

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Largest Manufacturer and Supplier of Kovar Foil in Cape Town , South Africa

At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Nimonic Sheet and Plates in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, 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.

Types of Kovar Foil

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

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Kovar Foil Uses

Kovar foil is mainly used in applications requiring strong metal-glass interfaces, as it has the same coefficient of thermal expansion as borosilicate glass It is widely used in the electronics and semiconductor industry for materials such as seals, copper poles and electrical feedthroughs. Cover’s properties also make it suitable for use in high-performance applications such as vacuum systems, aerospace, and military equipment. Its resistance to thermal and mechanical stresses, as well as its ability to maintain structural integrity under thermal conditions, makes it valuable for precision manufacturing.

Kovar Foil Manufacturer

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Kovar Foil Specifications

Kovar Foil Chemical Composition