Welding gases – Shielding, inerting and enhancing welding processes in the manufacturing sector


The complexity of many metal structures makes it impractical to form their shape from a single piece of metal. Instead, they are constructed by forming simpler components that can then be joined together.

The strength and endurance of a completed structure therefore depends on the properties of the joints that hold them together. Engineers during the 18th and 19th centuries preferred bolted or riveted joints, but modern welding processes have been proved reliable in a wide range of applications and are now almost universally employed.

With such a universal adoption, naturally comes the demand for a whole range of industrial gases and gas mixtures.

Welding processes
The many welding processes that have been developed share a common objective of causing metals to coalesce at the joint, by applying sufficient heat to raise the temperature above the melting point.

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