The energy source is the defining characteristic of each welding category, ranging from an electric arc between a consumable electrode and the workpiece to a focused beam of light or a stream of inert gas protecting the molten pool. This fundamental technique underpins modern manufacturing, construction, and repair across countless industries, from skyscrapers and ships to automobiles and medical devices.
Different Welding Process Types Explained and Their Applications
The specific welding process types available allow fabricators to select the optimal method based on material, thickness, environment, and required quality, making a thorough understanding of these variations essential for any professional in metalworking. The wire feed and arc voltage are typically set by the machine, allowing the operator to focus on guiding the gun along the joint.
"MIG" typically implies an inert gas shield, while "MAG" (Metal Active Gas) uses a mix of argon and active gases like CO2, which provides deeper penetration and higher welding speeds for carbon steel. Effective on a wide range of metals, including structural steel, stainless steel, and cast iron.
Different Welding Process Types Explained
The primary challenge for the welder is to concentrate this heat precisely where needed without excessively heating the surrounding area, which can weaken the metal or cause distortion. Gas Metal Arc Welding (GMAW/MIG) Gas Metal Arc Welding (GMAW), commonly called MIG (Metal Inert Gas) welding, is a semi-automatic or fully automatic welding process types that uses a continuously fed wire electrode and a shielding gas to protect the weld pool.
More About Welding process types
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