Skip to main content
Air Liquide
Air Liquide worldwide
Please select

Engineering & Construction


Large projects


Heat treatment

Air?Liquide draws on its extensive knowledge and technical expertise in heat treatment to provide customers with competitive gas solutions that are safe, reliable and fine-tuned to their needs. Our staff is on hand to support and optimize customers’ processes and control their costs.

Heat treatment at a glance

Metals, primarily steels, make up our trains, automobiles, machines… even our table cutlery. Before being used, they must be transformed through cutting, welding日日夜夜撸, or forming: a critical step in this transformation is heat treatment.

Heat treatment is a sequence of heating operations applied to metals - sheets, tubes, wires or parts - to improve their mechanical properties, by modifying their structure or composition. An inert gas, usually nitrogen, is combined with active gases like hydrogen, cracked methanol, natural gas or propane to create the heat treatment atmosphere inside the furnace.

It is most frequently applied to make metals -?such as carbon steel, stainless steel, copper, aluminium, and titanium alloys - harder, more ductile, or more resistant. Heat treatment requires the use of dedicated gas combinations.


“With ALNAT? we are able to improve our customers’ heat treatment processes, optimizing parameters and reducing deviations in the atmosphere.”

Laurent Coudurier 日日夜夜撸, International Senior Expert

Read more

What is the ALNAT? offer?

ALNAT? is Air?Liquide’s dedicated offer for heat treatment applications. It includes the delivery of gases and gas-handling equipment, as well as different services for customers related to the generation, use and control of atmospheres in industrial heat-processing furnaces.

日日夜夜撸Heat treatment of metals requires a lot of expertise. There are many different processes where the gaseous atmosphere inside the production equipment plays a key role in final product specifications. Our customers know they can exchange with our experts on issues such as quality control, performance improvement, equipment reliability and safety. Part of our offer is a process audit of the customer′s heat-treatment furnaces that allows us to then offer customized solutions for troubleshooting, quality management, cost reduction or qualification of new products.

How does ALNAT? improve customer performance?

In short, we lower the operating costs through optimizing processes. With ALNAT? we are able to improve our customers’ heat treatment processes, optimizing parameters and reducing deviations in the atmosphere. This in turn improves the quality control for production and reduces costs (because non-quality has a high cost). Furthermore, we make their gas usage more efficient, and make recommendations to our customers about preventive maintenance. This helps them reduce possible disturbances while improving productivity throughput.

How does Air?Liquide prepare customers for the challenges of tomorrow?

There are many challenges on the horizon, such as the development of new advanced materials, not least of which are titanium alloys in aeronautics, or ultra-high strength steels in automotive. Light-weighting is very important, particularly in transportation, to reduce fuel consumption and emissions. These will impact on heat treatment processes. Meeting increased quality requirements is another challenge, as is compliance with different Quality Management standards like NADCAP in the aerospace industry or CQI-9 for carmakers. For all these challenges, we work closely with our customers to develop new technologies and solutions.


Our gas solutions

At Air?Liquide, our comprehensive offer is backed by a network of worldwide specialists to help execute challenging heat treatment projects. When it comes to heat treatment, we guarantee our customers a controlled atmosphere in terms of safety, efficiency, and reliability. Our offer covers a wide range of solutions, including annealing, brazing, carburizing, cryogenic treatments and more.

Our primary offer for these heat treatment solutions is ALNAT?, a packaged offer that includes gas delivery, appropriate gas handling equipment, and further value-added services.

We provide customers with process and safety audits to optimize the usage of heat treatment furnaces and assist in trouble-shooting. Additionally, we train heat treatment personnel to ensure smooth and efficient processes.

青青青草网站免费观看 青青草视频在线观看 久久在线视频 淫色淫色-手机在线视频频道-全球最大成人免费黄色在线视频中文网 色姑娘久久 综合网天天 久久综合久久爱 re6热精品日日夜夜撸 97人人模人人爽人人喊,97人人模人人爽人人喊下载播放,97人人模人人爽人人喊免费 先锋影音官网_影音先锋a资源2019_影视先锋AV资源站男人 2019久久爱_久久爱视频_久久爱在线av_久久爱影院_久久爱影视_久久日 久久久这里有的精品10_2019 最新久久久精品欧美 插菊花综合网,色综合,热中文热国产热综合,色综合a在线,伊人综合 亚洲 图片另类欧美_亚洲中文无码永久免费_另类 专区 欧美 制服_亚洲成在人线免费视频