Lint Steels is the renowned manufacturing company that offers the best quality of Kovar round bars and wires. Our company place strong commitments towards client satisfaction through excellence, reliable quality, competitive pricing of different products. A wide variety of Kovar round bar sizes are available with immediate shipping and custom sizes.
Composition:
• C, carbon
• MN, Manganese
• P, Phosphorus
• S, Sulfur
• Si, Silicon
• Cr, Chromium
Along with the above materials, there are also other materials present in the composition of Kovar round bars and wires such as (Ni), Nickel, (Mo) Molybdenum, (Cu) Copper, (Co) Cobalt, (Ti) Titanium, (Al) aluminium, (Fe) iron, etc.
Kovar round bars is an alloy made up of 29% nickel, 17% cobalt, 0.2% silicon, 0.3% manganese and 53.5% iron. It is specifically known for its low coefficient of thermal expansion and is suitable for uses that require a matched expansion seal between metal and glass parts.
This nickel-iron-cobalt based controlled expansion alloy matches both borosilicate glasses and ceramics. This material ensures it is a highly recommended alloy for hermetic sealing or glass or metals sealing uses.
Features that make kovar wires unique from other materials:
• Good in Expansion Control
• Reliable hermetic sealing and metals sealing applications
• Uniformity all over
• Precise and uniform thermal expansion property
• Shock-resistant property
• Seal resistant to shock and cracking property
Applications of the Kovar round bars:
Nickel-iron-cobalt based alloy Kovar round bars have end uses which usually glass are sealing in the electronics industry. Typical Kovar bars and wires uses are glass-to-metal seals, lead frames, electronic package base, lids, power tubes, microwave tubes, transistors, diodes, hybrid packages, vacuum tubes, x-ray tubes, and light bulbs.
Some other applications are listed as below:
• Hermetic sealing
• transistors and diodes production in electronic industry
• Vacuum systems in chemistry and scientific research
• Electronic tubes (power, X-Ray)
• Hybrid circuit casings
• Oscillator housings
• Concentrated solar power
• Scientific instruments
Standards : | ASTM F15, ASTM F15 |
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 |
ASTM | UNS | Workstoff | AMS |
F15 | K94610 | 1.3981 | I-23011 CL1 |
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 |
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 |
Defence | Making arms and ammunition |
Military | To produce Cold headed components |
Automobile Industries to make nuts, bolts, shafts | Used in Agricultural sector |
Manufacturing gears, bearings, and hinges | For Oil and Gas |
Oil and Gas industry | Heavy engineering Industries |
ATI Make Kovar Round Bar / Wire
Bohler Make Kovar Alloy Round Bar / Wire
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32/34, Damodar Niwas, Second Floor, C. P. Tank17, Mumbai 400004.
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