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Invar 36
Precision Machining

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Nickel alloy for ultra-stable, high-precision components

Invar 36® is a nickel–iron alloy renowned for its exceptional dimensional stability, made possible by its ultra-low coefficient of thermal expansion (CTE). This unique property makes it the material of choice for components that must maintain tight tolerances across a wide temperature range.

At CRP Meccanica, Invar 36 is exclusively processed through high-precision CNC machining, leveraging our expertise in tight-tolerance manufacturing and advanced metrology to deliver parts with unmatched thermal stability and geometric accuracy.

manufacturing technologies

CNC and EDM
DMLS + CNC
Rapid Casting + CNC
Invar 36

When is Invar 36 the right material choice?

Invar 36 is ideal when dimensional constancy under thermal stress is critical. It’s the preferred solution for components exposed to temperature fluctuations that must retain their shape and function – especially in aerospace, optics, metrology, and scientific instruments.

CRP Meccanica’s CNC-only workflow ensures repeatable precision, surface integrity, and compliance with the most demanding technical specifications.

Applications

Features

Key Industry Sectors

Finishes

Invar can be media blasted or manually polished for different finishes.

Expertise in Invar 36® Machining

Working with Invar 36® demands precision, process stability, and deep technical know-how.
CRP Meccanica’s advanced 5-axis CNC machining and in-house metrology ensure exceptional accuracy and surface quality, even on complex geometries.
Thanks to decades of experience in high-precision manufacturing, CRP Meccanica consistently delivers Invar 36 components that maintain dimensional integrity under the most demanding thermal and mechanical conditions.

Looking for precision machining of Invar 36?

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