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Carbon Steel

Laser Cutting Carbon Steel

Oxygen is used as a cutting gas mainly for non-alloyed and low-alloyed steels which are not contaminated by contact with oxygen and for materials/applications where oxidisation is not a problem. 

The jet of cutting gas oxidizes the material melted by the laser beam and blows away the melt and slag from the cutting groove. Oxidization is an exothermic (heat generating) process, which generates extra heat. This speeds up the cutting and enables the laser to cut thicker materials. 

The quality of cutting oxygen also affects the cutting speed. Impurities slow down the oxidation. This results in a slower cutting speed. Consequently, the higher the purity of cutting oxygen, the faster the cutting speed.

Struggling to select a gas? If in doubt, please call 0191 271 4888 for specialist advice!

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