About
Submerged arc welding or SAW is a welding process that predates gas metal arc welding and flux cored arc welding. It consists of continuously feeding a solid or cored electrode through a bed of granular material called flux. This flux covers and protects the arc that is established between the electrode and the work piece. A certain amount of flux is melted and may function to add or remove alloy from the weld, as well as provide fluxing agents to assure clean, dense weld deposits.