Shielding gas
Код 3297174
- ISBN: 978-5-5145-9835-9
Код 3297174
High Quality Content by WIKIPEDIA articles! Shielding gases are inert or semi-inert gases that are commonly used in several welding processes, most notably gas metal arc welding and gas tungsten arc welding (GMAW and GTAW, more popularly known as MIG and TIG, respectively). Their purpose is to protect the weld area from atmospheric gases, such as oxygen, nitrogen, and water vapour. Depending on the materials being welded, these atmospheric gases can reduce the quality of the weld or make the...
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