welding gas mixture

Welding gas mixture is not only a mixture of carbon dioxide and argon. 1. The advantage of Ar+He argon is that the arc combustion is very stable and the spatter is extremely small. The advantages of helium are high arc temperature, high heat input to the base metal, and fast welding speed. The advantages of both can be obtained by adding a certain amount of helium with argon as the matrix. ... Read More