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Styllo Funilaria e Pinturas
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The welding is without a doubt the most used to join two metal parts, which is a bonding process using a heat source, with or without application of pressure.
The metallurgical process involves many phenomena, eg, melting, solidification, solid-state transformations, deformations caused by heat and stress of contraction, which can cause many practical problems. These can be avoided or solved by applying appropriate metallurgical principles to the welding process.
Welding
MIG Welding
In the process of MIG (Metal Inert Gas) the arc is struck between a continuously fed wire and the base metal. The molten region is protected by an inert gas or mixture of gases (argon, CO2, O2 and Helium)
Welding with coated electrode
It consists of an electric arc is formed with the electrode contact (coated) in part to be welded. The electrode is consumed as it will form the weld bead, whose protection against contamination of atmospheric air is made by the gaseous atmosphere and slag, from the merger of its coat.
Electrode: metalic soul + coating.
