CNC Machining for Invar 36

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, 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?

They trust CRP Meccanica

"We asked for lightweight titanium parts with tight tolerances and minimal deformation under stress. CRP Meccanica gave us a custom setup and got the job done faster than our internal projections. That put us on track - literally."

"We needed to validate a new component geometry for our electric powertrain in under five weeks. CRP Meccanica delivered perfectly machined aluminum prototypes that went straight into thermal and vibration testing - no adjustments needed."

"Our design called for intricate internal channels and ultra-thin walls in aerospace-grade aluminum. Other suppliers turned us down. CRP Meccanica handled it through hybrid CNC and additive processes - flawless integration, zero rework."

"We needed production-ready components with zero margin for error. CRP Meccanica’s machining quality, process control, and documentation met the exacting standards of our defense programs - no revisions, no delays."

"Our application required ultra-lightweight frames and camera gimbal housings with structural rigidity and low vibration transmission. CRP Meccanica met all specifications with hybrid CNC machining and offered key input to reduce mass without compromising performance."

"We needed structural components that could resist both mechanical loads and corrosion in extreme environments. CRP Meccanica supported us from material selection to final machining, delivering exactly what we needed without compromise."