Gas Metal Arc (ADV 098) This class will further advance the students welding skills to pipe. The student will learn the techniques required of a certified pipe welder. Proper tacks and feather edging, filler metal angles and manipulations for open root pipe welding are taught. Class will consist of welding on carbon steel pipe with the GMAW-SC and FCAW processes. Training will be with ER70S solid wire short circuit transfer GMAW down bead root with E71T-1 flux cored wire hot and fill passes, upward progression. Practice is geared toward certification to ASME IX, Boiler & Pressure Vessel Code in the 6G position on carbon steel.