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Gas

Gas Welding

Fuel gas welding, sometimes referred to as oxy-acetylene welding is the traditional welding process. This process uses a gas welding torch to combine oxygen and acetylene which is ignited to create a flame at the welding nozzle, the welder then applies heat to the material being welded. By superheating two pieces of metal, it creates a pool of molten metal which is shared between the two pieces forcing them to join; a filler material is often added to the weld pool to build it up.

Acetylene is the only readily available fuel gas which meets the requirements to weld mild steel. This is because the acetylene creates a neutral flame which is hotter than other gases such as propane, methane and propylene (all of which produce an oxidising flame).

Struggling to select a gas? If in doubt, please call 0191 271 0222 for specialist advice!

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