Use Of Inert Gas In Welding. An example of inert gas is argon. The type of shielding gas can directly affect the quality and strength of the weld so you must choose based on the type of metal being welded.
Carbon dioxide is a good shielding gas for welding steel. Argon gas used in GTA welding for shielding purposes shall be 99995 pure. During the welding process an electric arc is struck between the electrode on the welding equipment and the work piece.
For instance MIG is the most popular type of welding within the huge automotive industry which is no wonder providing that it delivers strong and robust welds.
Active Gas - An argonCO2 mix is considered an active gas. Helium or hydrogen is sometimes added 1-2 in argon for specific purposes such as. An example of inert gas is argon. A filler rod may be fed to the arc zone.