The tungsten inert gas (TIG) welding process is effectively used in welding operations on pipes of thin to medium wall thickness, This is why it is commonly used in the food and chemical sectors, for example, and in the construction of power plants. In today's oil and gas industry, and for process piping. in general, qualify requirements are becoming increasingly important. Demand is moving towards a 'zero defects' level, which means eliminating flaws such as porosity and lack of fusion - something that is unachievable in all positions with other arc welding processes, especially MIG/MAG and its derivatives.
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