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Why is the term GMAW preferable to mig for gas metal arc welding?
Wiki User
∙ 12y ago
MIG is a non-standard term for gas metal arc welding and flux cored arc welding, according to the American Welding Society (AWS). MIG stands for metal inert gas. Inert gas being a non-reactive gas (a noble gas on the Periodic Table). Most GMAW procedures do not use a mixture of 100% non-reactive gas. A popular gas mixture in the United states contains 90% Argon and 10 % CO2, or 75% Argon and 25% CO2. Argon is a non-reactive gas, while CO2 is a reactive gas. The mixture is not inert, therefore, using MIG is an inaccurate way to represent the actual process being used.
A mixture containing 100% of an inert gas are used when necessary. However, the preferred term is still GMAW or FCAW.
Wiki User
∙ 12y ago
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