Arc welding is a type of welding that uses an electric arc to melt the metal(s) at the joint. The weld pool is protected from the atmosphere by a shielding gas, typically argon or helium. Arc welding is used to join a wide variety of metals, including steel, aluminum, stainless steel, and titanium.
Arc welding is a versatile and efficient welding process that can be used in a wide variety of applications. It is used in the construction of bridges, buildings, ships, and automobiles. It is also used in the manufacture of machinery, tools, and other metal products.