Heat Treating for Aerospace & Aircraft 

PRaxair Heat Treating, Atmospheres, and Metals for Aerospace and Aircrafts

The right atmosphere to strengthen your aircraft

When it comes to metal treating processes for your aircraft components, Praxair can help your business take off. Heat treating enhances the strength and durability of metal and we offer a diverse portfolio of heat treating applications. We’ll work with you to make highly reproducible parts, take control of your process and build some of the toughest aircraft possible. Not only that, we can help you find ways to treat your metals more efficiently, so you never have to choose between cost and quality.



Annealing is the process of heating steel above the transformation temperature and slowly cooling it. The correct atmosphere is key to a successful annealing process. 

Learn more about annealing


Brazing Furnace

Brazing is a joining process that heats filler metal and evenly distributes it between two parts. We provide a reducing atmosphere to help you produce higher quality joints.

Learn more about brazing

Carburizing & Hardening

Carburizing Furnace

Carburizing is a heat treatment process in which steel absorbs carbon while the metal is heated. Our technology provides ideal conditions for better control and repeatability.

Learn more about carburizing and hardening

Gas Quenching & Inerting

Gas Quenching

Furnace inerting and parts quenching are common heat treating applications. We offer gases in a variety of supply systems to meet your process requirements. 

Learn more about quenching and inerting


Gears Sintering

The sintering process uses compressed metal or ceramic powders to form various shapes. Our atmosphere gases help achieve a consistent performance for your sintering operation.

Learn more about the sintering process