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


Stainless steels, carbon steels and non-ferrous materials are annealed to release internal stresses. Our ALNAT™ atmosphere solutions for annealing are mainly based on mixtures of nitrogen and hydrogen. Benefits include safety, reliability, low-maintenance operation and low capital costs.


Equipment for industrial gases

ALNATTM Control panel



Our ALNAT™ solutions include 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.

Gas supply mode