| Department Classes | Prerequisites | Lessons | Difficulty | Department |
What Is Arc Welding? 110 This class introduces the advantages of arc welding as a joining process and explains the fundamentals of arc welding. | 650115 | 18 | Beginner |  |
Arc Welding Safety 115 This class describes general safety practices that all welders must follow during arc welding procedures. | None | 16 | Beginner |  |
Arc Welding Processes 120 This class describes the various arc welding processes as well as the particular advantages and disadvantages of each process. | 650115 | 16 | Beginner |  |
Overview of Weld Types 130 This class describes the various joint and weld types, welding positions, and possible weld defects that can occur on a welded joint. | 650115 | 17 | Beginner |  |
Electrical Power for Arc Welding 140 This class describes electrical variables, the path of electricity, and the effect of electricity on the arc welding process. | 650115 | 20 | Beginner |  |
Ferrous Metals for Welding 200 This class provides an overview of the properties of common ferrous metals used for arc welding. | 650110 650115 650120 | 20 | Intermediate |  |
Nonferrous Metals for Welding 205 This class provides an overview of the properties of common nonferrous metals used for arc welding. | 650110 650115 650120 | 20 | Intermediate |  |
SMAW Applications 210 This class describes the SMAW process and the variables that affect electrode selection, electrical variables, and methods for starting and extinguishing the arc. | 650110 650115 650130 650140 | 18 | Intermediate |  |
GMAW Applications 220 This class describes the GMAW process and the variables that affect shielding gas selection, electrode selection, metal transfer methods, and electrode orientation. | 650110 650115 650130 650140 | 21 | Intermediate |  |
FCAW Applications 230 This class describes the FCAW process and the variables that affect electrode selection, shielding gas selection, and electrode orientation. | 650110 650115 650130 650140 | 21 | Intermediate |  |
GTAW Applications 240 This class describes the GTAW process and the variables that affect welding current, electrode selection, electrode preparation, and arc-starting methods. | 650110 650115 650130 650140 | 20 | Intermediate |  |
Arc Welding Symbols and Codes 250 This class describes welding symbols and how to read them. It also explains the importance of welding codes and the procedures involved for a welding application. | 650110 650115 650120 650130 | 15 | Intermediate |  |
Arc Welding Power Sources 260 This class describes different types of arc welding power sources and explains how each power source produces welding power. | 650115 650120 650140 | 19 | Intermediate |  |
Electrode Selection 270 This class describes electrode characteristics for the four major arc welding processes and explains how to select the appropriate electrode for a specific welding application. | 650110 650115 650120 | 18 | Intermediate |  |
Arc Welding Aluminum Alloys 310 This class describes the welding characteristics of aluminum and explains how its properties affect each variable in the welding process. | 650205 650210 650220 650230 650240 650260 | 21 | Advanced |  |