Flux core welding wire, also known as FCAW (Flux-Cored Arc Welding) wire, is a type of welding wire that is specifically designed for flux-cored arc welding. Unlike traditional solid welding wires, flux core welding wire is tubular and filled with flux. This flux serves several purposes, including providing a shielding gas to protect the weld pool from contamination, creating slag to ... https://www.superontechnik.com/flux-cored-wires