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Product Summary of Invar®

A nickel steel alloy which is best known for is uniquely low coefficient of thermal expansion. This makes Invar ideal for applications where the dimensional stability of components is critical across a wide temperature range.

Characteristics of Invar®  include:

  • Low coefficient of thermal expansion

Forms and Availability of Invar®

Please find below a list of our standard stock dimensions. Of course, we are very often able to supply alternative dimensions.


Thickness: 1 - 6mm

Coil Width: 300mm

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Diameter: 6.35 - 75mm

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What quantities are listed in our on-line catalog?

For large quantities, please request a quote using the links above. For small quantities with rapid delivery, please consult the following catalog pages:

Invar® - Permalloy D® (Fe64/Ni36)