Kovar Bar and Rod

Sahil Metals is a reputable manufacturer and supplier based in Riyadh, Saudi Arabia, specializing in high-quality Kovar Bars and Rods. These products are engineered to perform exceptionally well in critical industrial applications. Kovar Bars and Rods are particularly valued for their unique thermal expansion characteristics, making them a go-to choice in the electronics, aerospace, and scientific sectors. Sahil Metals is committed to ensuring that every product adheres to international quality standards, providing unmatched precision, reliability, and durability. With a strong background in supplying specialty alloys, the company delivers Kovar Bars and Rods that thrive in high-tech environments, maintaining consistent performance even under fluctuating thermal conditions.

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Kovar Round Bars

Kovar Rectangular Bars

Kovar Square Rods

What is Kovar Bar and Rod?

Kovar Bars and Rods are made up of roughly 29% Nickel, 17% Cobalt, and the rest Iron, along with small amounts of Manganese and Silicon. This specific blend gives Kovar a controlled coefficient of thermal expansion that closely aligns with glass and ceramics. In terms of mechanical properties, Kovar boasts a tensile strength ranging from 500 to 700 MPa, along with impressive hardness and good ductility. It remains dimensionally stable during thermal cycling and retains its strength even at elevated temperatures. These attributes make Kovar a dependable choice for applications that require precise bonding between metals and non-metals.

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Kovar Bar and Rod Specification

Standards :	UNS K94610 \| Werkstoff Nr 1.3981 \| DIN 17745 \| ASTM F15 \| AMS 7726 \| AFNOR NF A54-301 \| S.E.W 385
Size Range :	0.015″ Thk up to 2″ Thk
Thickness :	Range from .008″ to .0125″
Length :	2m, 2.44m, 3m, or as required
Width :	10-2500mm

Chemical Compositions of Kovar Bar

Weight %	Ni	Fe	Co	C	Mn	Si	Al	Cr	Mg	Zr	Ti	Cu	Mo
Alloy K Kovar	29.0	53.0	17.0	0.04 max	0.50 max	0.20	0.10 max	0.20 max	0.10 max	0.10 max	0.10 max	0.20 max	0.20 max

Kovar Bar 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

Kovar Bar Equivalent Grades

ASTM	UNS	Workstoff	AMS	DIN	AFNOR	S.E.W
F15	K94610	1.3981	7726	17745	NF A54-301	385

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Why Sahil Metals?

Packaging

Modern Equipments

Expert Engineers

Well Maintained

Efficient Factories

Kovar Bar and Rod Types

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Kovar Bar and Rod Uses

Kovar Bars and Rods find extensive applications across various industries, including electronics, aerospace, telecommunications, and scientific equipment. Their controlled thermal expansion makes them perfect for creating vacuum tubes, semiconductor packages, glass-to-metal seals, and optical devices. In the aerospace and defense sectors, they are utilized in sensor housings, hermetic seals, and magnetic shielding. Additionally, Kovar is commonly used in medical instruments, power electronics, and high-precision engineering components. Its ability to endure thermal stress and provide secure sealing ensures reliability in advanced and sensitive applications around the globe.

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