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kovar
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Kovar ( Fe54/Ni29/Co17 )

General Description:

Glass Sealing Alloy.

Kovar is a nickel-cobalt ferrous alloy. It is designed to be compatible with the thermal expansion characteristic of sealing to borosilicate glass. Its composition is 29% nickel, 17% cobalt, .2% silicon, .3% manganese, and 54% iron (by weight).

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