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4J29 , KV-6, wire
Place of Origin: Baoji, China (Mainland)
Brand Name: Titans
factory packaging
4weeks

Product Description
Iron Nickel Cobalt Alloy Kovar
 
A vacuum melted, iron-nickel-cobalt, low expansion alloy whose chemical composition is controlled within narrow limits to assure precise uniform thermal expansion properties. Kovar alloy has been used for making glass to metal seals. This alloy has found wide application in power tubes, microwave tubes, transistors and diodes.

Ni 29             Co 17
Fe Balance    Si 0.10
Mn 0.30         C 0.02 maximum

Typical Physical Properties:
Density: .302 lb/in3
Specific Gravity: 8.36
Curie Temperature: 435 oC
Melting Point: 1450 oC
Specific Heat: .105 cal/gm/ oC at 0 oC
.155 cal/gm/ oC at 430 oC
Heat of Fusion: 64 cal/gm
Thermal Conductivity: 17.3 W/m · K
Electrical Resistivity: 490 microhm/mm

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