Sep 02, 2025  
2025-2026 CNM Catalog, Volume 57 
    
2025-2026 CNM Catalog, Volume 57

WELD 1140 - Gas Metal Arc Welding I

2 credit hour(s)
Prerequisite:   
Pre- or corequisite: WELD 1125  
Introduces Gas Metal Arc Welding (GMAW) short circuit welding safety, machine set up and shutdown procedures. Topics include personal protective equipment (PPE), GMAW uses, advantages and disadvantages, constant voltage (CV) power source, polarity, electrode types, shielding gasses, and weld discontinuities and defects identification and corrective practices.  Lab excercises will include various joints in all positions.

Note(s):

Theory Hours: 15
Lab Hours: 45
Additional Lab Hours: 15