Tennessee College of Applied Technology Nashville offers Welding Technology at its Main Campus and Portland location. The 1,296-hour program combines welding theory with extensive hands-on practice in MIG, TIG and Stick welding, pipe welding, oxy-fuel welding and cutting, plasma arc cutting and resistance welding. Students can earn process-specific certificates or a Combination Welder diploma through day or evening study, and the current program page lists AWS D1.1, positional and pipe-welding certifications.