This was developed as an alternative to shield welding. The semi-automatic arc weld is often used in construction projects, thanks to its high welding speed and portability. This method has many variables making it applicable in a variety of welding projects. Variables often depend on the model of welder being used, and what type of wire was chosen for the application.

The flexibility is broadened by the many operating angles, voltage levels, polarity used, as well as the speed of the wire feed. Due to the potential of faster welding speeds, the newly joined metal cools quicker. If the welding technician is using a flux cored wire, he or she must be on the lookout for porosity in the welded joint.

Flux Cored Arc Welding is best used in either outdoor settings or under industrial ventilation hoods, due to the amount of smoke and fumes created during the welding process.