Steel, aluminum, carbon, and stainless steel are all materials that WITTS can handle, along with some special alloys! The 4 basic welds that are used in our shop include: Gas Metal Arc Welding – also known as MIG Gas Tungsten Arc Welding – also known as TIG Shielded Metal Arc Welding – also known as STICK Flux Cored Arc Welding – also known as FLUX We also complete soldering and brazing, if that is what the job calls for!