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Help Center4J29 KOVAR Precision Alloy Metals, Alloys (Wires, Rods, Bars, Plates)
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Description
Kovar Alloy is a vacuum melted, iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties. Extensive quality controls are employed in the manufacture of this alloy to ensure uniform physical and mechanical properties for ease in deep drawing, coining, stamping and machining.
Application
Kovar alloy has been used for making hermetic seals with the harder Pyrex glasses and ceramic materials. This alloy has found wide use in application where high reliability is a necessity. In power tubes, microwave tubes, transistors, diodes, inter-grated circuits and has been used for the flat pack and the dual-in-line package.
| Grade | C | Si | Mn | P | S | Ni | Co | Fe |
| 4J29 | 0.015 | 0.12 | 0.25 | 0.006 | 0.005 | 29.10 | 17.3 | Bal |
South China special alloy large supplier, 100 tons of alloy spot supply, professional technical support ~ ~
Strip, bar, plate ~ ~ quality is better than the market of the same type of materials, buy the rest assured with comfort! "
Soft magnetic alloy, Permo alloy:
* 1J36(belt/board 0.1-1.0-100mm)1J36(light circle 5-100)
* 1J50 (strip/plate 0.1-1.0-3mm) 1J50 (Light circle 3-150)
* 1J79(belt/board 0.05--1.0--5mm) 1J79(light circle 6--120)
* 1J85(belt/board 0.05--1.0--5mm) 1J85(light circle 5--120)
* 1J22(with 0.1mm) * 1J117 (light circle 5--50)
Expansion alloy, cove alloy, Yin steel, iron and nickel alloy:
* 4J29(with/plate 0.1-1.0-52mm) 4J29(Optical circle 2-120)
* 4J32(plate 5--100mm) 4J32(optical circle 5--110mm)
* 4J33, 4J34(with/plate 0.1--4mm)
* 4J36(belt/board 0.1-1.0-120mm) 4J36(optical circle 3--150mm)
* 4J42(with/board 0.1--1.0--5mm)
* 4J50(with/board 0.1--3mm) 4J50(light circle 3--120mm)"
High temperature alloy, corrosion resistant alloy:
* GH4169, Inconel 718(with/board 0.1--50mm) (optical circle 7--120mm)
* GH3625, GH4145, Inconel 625, C276 and other strips
Pure nickel: N6(with/plate 0.1--0.5--5mm)
Pure iron DT4 (A, E, C), fine drawing circle 3-20, oil drawing 22-39,
Black leather round 40-150, forged round 160-300, pure iron hot tie plate 6-120*420. "
Cast iron, nodular cast iron, grey cast iron, pig iron, HT250, QT500 round bar, square material, plate.
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