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Argon arc welding is a gas tungsten arc welding method that uses the inert gas argon as the shielding gas.

Advantages:

① High weld seam quality. Since argon gas is an inert gas and does not react chemically with metals, alloying elements will not be burned off. Argon gas also does not melt with metals, so the welding process is basically a process of metal melting and solidification. Therefore, good protection can be achieved, resulting in purer and higher-quality weld seams.

② Low welding deformation stress. Due to the compression and cooling effect of the argon gas flow on the arc, the arc heat is concentrated and the temperature of the argon arc is high. As a result, the heat-affected zone is small, resulting in low stress and deformation during welding. It is particularly suitable for thin-walled component welding and pipe root welding.

③ Wide welding range, suitable for welding almost all types of metal materials, especially suitable for welding chemically active metals and alloys.