Invar Grades

Explore our Invar alloy grades including Invar 36 and other low thermal expansion nickel alloys. Find information about properties, specifications, standards and applications for precision instruments, aerospace and industrial uses.

Grade Families
Inconel, Hastelloy, Incoloy, Monel, Nickel, Nimonic and other high-performance alloys.
Product Forms
Bar, plate, sheet, pipe, tube, strip, wire, forging, flange and custom size supply.
Technical Review
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Grade Archive

Choose nickel alloy grades by family

Compare each alloy family by its common grades, product forms, key properties and typical industrial applications.

Invar

Invar 36

Invar 36 is an iron-nickel controlled-expansion alloy containing approximately 36% nickel. Its thermal expansion rate is approximately one-tenth that of carbon steel at temperatures....

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Invar

Super Invar 32-5

Super Invar 32-5 is an iron-nickel-cobalt controlled-expansion alloy developed for exceptionally low dimensional change around room temperature. Identified as UNS K93500, it provides lower....

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Invar

Invar 42

Invar 42, also known as Alloy 42 or NILO 42, is a controlled-expansion iron-nickel alloy developed to provide a predictable thermal expansion rate over....

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