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Kovar® Alloy

(also known as Rodar alloy)
(UNS K94610)

Nominal Analysis
0.02 max. C, 0.30 Mn, 0.20 Si, 29.00 Ni, 17.00 Co, Bal. Fe

A low expansion alloy which has been widely used for making hermetic seals with the harder Pyrex glass and ceramic materials such as in power tubes, microwave tubes, transistors, and diodes, as well as integrated circuits.

Use our Technical Information database to get comprehensive technical data on hundreds of Carpenter alloys. The database is searchable and it's free.

 

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