Nickel Based Alloys
4J29 Kovar Rod UNS K94610 Nickel Iron Cobalt Alloy Low Expansion 29Ni 17Co
Kovar Rod is a vacuum-melted nickel-iron-cobalt alloy with a low CTE matching hard glass or ceramics. Ideal for airtight seals in electronic vacuum devices. Offers excellent dimensional stability and stamping capability.
4J29 Kovar Precision Alloy Tube 29%NiCoFe for Glass to Metal Sealing 8.2 g/cm3
Kovar 4J29 tube is a controlled expansion NiCoFe alloy for hermetic glass to metal seals. Features low thermal expansion, high corrosion resistance, and stable electrical resistivity. Ideal for vacuum tubes, semiconductors, and electronic components. Custom sizes available.
Kovar Alloy Rod Bar 4J29 FeNiCo Glass Sealing Metal Round Bar 1.5-200mm
Kovar 4J29 rod bar is a precision Fe-Ni-Co alloy for hermetic glass-to-metal seals. Features density 8.1, resistivity 0.78, and Curie point 230°C. Ideal for vacuum tubes, transistors, and integrated circuits. Custom sizes available, smooth surface, soft condition.
Kovar Alloy Round Bar 4J29 Expansion Soft Alloy 28.5-29.5% Nickel
4J29 Kovar alloy round bar offers a linear expansion coefficient matching borosilicate glass, high Curie point, and stable low-temperature microstructure. Dense oxide film ensures excellent glass wetting. Ideal for electric vacuum seals, per YB/T 5231-1993.
4J29 Kovar Alloy Round Bar 28.5-29.5% Ni 16.8-17.8% Co for Glass Sealing
4J29 Kovar alloy round bar offers a thermal expansion coefficient matching borosilicate glass, ideal for vacuum tubes and electronic components. Features high Curie point, low-temperature stability, and custom sizes. Certified quality for reliable industrial use.
ASTM F15 Kovar 4J29 Bars UNS K94610 Nickel Alloy 29% Ni 17% Co High Thermal Expansion
Kovar 4J29 bars offer a linear expansion coefficient matching borosilicate glass, dense oxide film, and good low-temperature stability. Ideal for hermetic seals in power tubes, transistors, and integrated circuits. Custom sizes available.
4J29 Kovar Nickel Based Alloy Strip Cold Rolled Full Annealed 0.1-2.0mm Thickness
4J29 Kovar alloy strip offers reliable glass-to-metal sealing with matched thermal expansion. Cold rolled and full annealed for precision. Tensile strength up to 570MPa in soft condition. Ideal for electronic components and vacuum systems.
Kovar 4J29 Nickel Cobalt Ferrous Alloy Strip Coil Foil 0.2mm 100mm Width
Kovar 4J29 nickel-cobalt ferrous alloy strip/coil/foil matches borosilicate glass thermal expansion. Ideal for vacuum tubes, X-ray tubes, and lightbulbs. Cold rolled, customizable thickness 0.2-300mm. OEM/ODM available, export-ready packaging.
Nickel Chromium Cobalt Dental Casting Alloy 7.69g/cm³ 520Mpa Yield Strength
High-strength nickel chromium cobalt alloy for dental casting. Features excellent corrosion resistance, non-magnetic properties, and good ductility. Service temperature up to 950°C. Customizable per drawing. ISO9001 certified.