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Automotive Value Chain Steps
Select a step where Air Liquide intervenes in your value chain.


Sintered mechanical components are commonly produced in continuous furnaces. Sintering operations are carried out in several strongly interconnected steps. For each step, a specific atmosphere composition must be implemented in order to make the process succeed:

  • Step 1: An oxidizing atmosphere increases lubricant removal
  • Step 2: An active reducing non-decarburizing atmosphere is generated in the hot zone for a good sintering operation
  • Step 3: A protective reducing atmosphere in the cooling zone is generated to prevent oxidation and to obtain a bright surface aspect

Air Liquide has developed the capability to master the atmosphere composition in each zone through a zoning technology. The atmosphere in each zone can be adjusted to meet the requirements of the different components to be treated. Air Liquide is able to supply complete installation to deliver high purity nitrogen, hydrogen or hydrocarbon mixture with flow control panel and safety monitoring.



Our ALNAT solutions for heat treatment applications include bulk gas supply, related gas handling equipment, and a range of services related to the generation, use and control of atmospheres in industrial heat processing furnaces.

Why Choose Us?

  • 01

    Diverse offer

    We offer gas cylinders in various volumes and concentrations and all associated gas handling equipment. We also supply bulk volumes and storage solutions, as well as on-site production technologies.

  • 02

    Focus on compliance

    Purity, accuracy, reliability and speed of delivery of our specialty gases improve analysis reliability for added compliance assurance.

  • 03


    Air Liquide manufactures gases in a range of purities to meet your needs. We can analyze for specific impurities based on your request.

  • 04


    A global network of industry experts is available to support you in developing solutions to meet your unique challenges. Our teams have extensive experience and expertise in automotive industry applications.

  • 05


    Air Liquide’s industry experts are backed by a global R&D network.

  • 06


    Our ARCAL™, LASAL™ and FLAMAL™ brand products for metal fabrication were designed with the environment in mind, enabling reduced carbon dioxide and nitrogen oxide emissions.