Automotive
Automotive Value Chain
Air Liquide provides solution for the production of raw materials, steel and aluminum coils, tubing, and related equipment and services for fabrication and assembly operations.
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3D printing (additive manufacturing)
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Annealing
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Aluminium Brazing
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Carburizing
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Gas quenching
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Laser cutting
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Laser welding
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MIG and MAG welding
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Sintering
Fabrication of subcomponents and assembly of cars involved a large diversity of manufacturing processes for which AIr Liquide has the best gas solutions.
Air Liquide manufactures a complete line of pure and mixed specialty gases for use with instruments measuring vehicle and engine emissions from various sources. They are specifically engineered for tailpipe analysis and bench testing for all mobile engine applications.
Recycling of cars is a key point for the valorization of materials. Some of the recycling processes involve gas solutions provided by Air Liquide.
Annealing
Stainless steels, carbon steels and non-ferrous materials are annealed to trigger the relaxation of internal stresses and give a softer product.
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3D printing (additive manufacturing)
The additive manufacturing process (3D printing) with metals makes it possible to build parts in real time. Air Liquide supplies premium gases for 3D printing of both metals and plastics.
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Annealing
Stainless steels, carbon steels and non-ferrous materials are annealed to trigger the relaxation of internal stresses and give a softer product.
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Aluminium brazing
Aluminum alloys are used for heat exchangers in air conditioning, engine cooling, etc. The most developed joining method is continuous aluminum brazing with flux using a controlled atmosphere at atmospheric pressure.
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Carburizing
Carburizing is the most important surface hardening process. Carbon is brought to the surface of steel components and diffused to increase tensile strength and hardness. Atmospheric carburizing is for a large number of parts from compressors to valves or gear boxes.
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Gas quenching
Gas quenching is an environmentally friendly alternative to oil or salt bath quenching applications. Associated with low-pressure processes such as carburizing, gas quenching offers better control of distortion and limits post operations such as rectification. Primarily developed for high performance materials, gas quenching can be performed with nitrogen, or sometimes helium. More recently, the development of vacuum carburizing applications in the automotive industry has required high-pressure gas quenching furnaces with pressure up to 20 bars.
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Laser cutting
For laser cutting, a laser beam is focused on the base metal, and a cutting jet ejects molten metal. This process is used mainly on thin metals requiring high precision and high productivity. Air Liquide provides optimized and innovative gas installations to meet your needs of high pressure nitrogen or high purity oxygen.
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Laser welding
The laser beam produced by a CO2 laser or a solid state laser is used for high-penetration, high-speed welding processes where mainstream processes cannot deliver the required distortion and/or productivity. With Nexelia for laser welding, Air Liquide provides an all-in-one solution to reduce your production cost.
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All-in-one solutions
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MIG and MAG welding
Metal Active Gas (MAG) welding is highly flexible and adaptive, and is used when you wish to obtain high productivity and high quality results. This process is used for manual and semi-automatic welding or automated/robotized installations on low-alloy carbon steels or high-alloy stainless steels.
Metal Inert Gas (MIG) is used for materials sensitive to oxidation such as aluminum or copper-alloys.
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Sintering
Sintering is the production of metallic parts with the desired final shape obtained directly from metal powders without casting metal. A lot of small parts for the car industry are manufactured with sintering process. Metallic powders are mixed with an organic lubricant, compressed and sintered in a furnace where, thanks to the high temperature, the metal particulates form strong bonds between each other.
Air Liquide has developed the capability to master the atmosphere composition in each zone of the furnace to meet the requirements of the different components to be treated.
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Brazing
Brazing processes can be manual or automatic. They are used for heat exchangers in air conditioning, taps, sanitary equipment and compressor parts. Fuel gases include acetylene, hydrogen, and Air Liquide’s FLAMAL™ brand gas mixtures.
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Emissions testing and calibration for mobile engine applications
Air Liquide's range of specialty gases is the industry benchmark for compliance and value in engine emissions testing. Our ALPHAGAZ™ calibration gases will help your site comply with the most stringent regulations including Euro VI regulations. Purity, accuracy, reliability and speed of delivery of these specialty gases improve analysis reliability for added compliance assurance.
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MIG and MAG welding
Metal Active Gas (MAG) welding is highly flexible and adaptive, and is used when you wish to obtain high productivity and high quality results. This process is used for manual and semi-automatic welding or automated/robotized installations on low-alloy carbon steels or high-alloy stainless steels .
Metal Inert Gas (MIG) welding mixes are mainly used for sensitive stainless steels and is used for materials sensitive to oxidation such as aluminum or copper-alloy welding.
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Flame cutting
Our solution for flame cutting includes FLAMAL™ brand gases, an oxy-fuel flame and straight oxygen to form a cutting jet. The high flexibility of this process combined with its excellent cutting performance makes FLAMAL™ ideal for both manual and automatic flame cutting operations for use in metal fabrication, shipyards, boilers, scrapping, and installations.
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Diverse offer
We offer packaged gas solutions in various volumes and concentrations, bulk volumes and storage solutions, as well as on-site production technologies.
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Focus on compliance
Purity, accuracy, reliability and speed of delivery of our specialty gases improve analysis reliability for added compliance assurance.
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Quality
We manufacture gases in a range of purities to meet your needs. We can also analyze for specific impurities based on your request.
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Innovation
Our industry experts are backed by a global R&D network.
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Sustainability
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.