In the process of heat treatment, nitrogen-based protective gas can prevent the oxidation and decarburization of steel parts, greatly improve the surface quality of heat-treated parts, and prolong the service life of the workpiece.
Gas shielded welding is widely used due to its advantages of good welding quality, high efficiency and easy automation.
The auxiliary gases for laser cutting generally include oxygen, nitrogen, compressed air, etc., which are mainly used to blow away the slag in the cutting seam, which directly affect the cutting performance, cutting speed and cutting thickness.
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