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Invar®

Invar, also known generically as FeNi36 (64FeNi in the US), is a nickel–iron alloy notable for its uniquely low coefficient of thermal expansion (CTE or α).

The name Invar comes from the word invariable, referring to its relative lack of expansion or contraction with temperature changes.

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Invar® Wire

Line Number & MaterialDiameterCompositionDescription
FE7425 Invar® Wire 0.12 mmFe64/Ni36Temper annealed. Finish bright.View item

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