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Welding Department

Department Overview

Department Description

Department Name:	Welding Department
Number of Classes:	15

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Welding is a joining process that permanently joins together two separate components with heat, pressure, or a combination of both to make one new part. Welding is one of the most economical ways to join two metals permanently. Arc welding uses the power of electricity to generate the heat necessary to melt and join metals together.
These classes cover the basic components and common processes used during arc welding. They also provide an overview of the various types of welded joints and describe how electrical variables affect arc welding. Intermediate-level classes focus on the weldability of numerous metals and address the specific details necessary to begin hands-on training for the major arc welding processes.

Department Classes

Class Name	Prerequisites	Lessons	Difficulty
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. Includes an Interactive Lab.	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. Includes an Interactive Lab.	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. Includes an Interactive Lab.	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. Includes an Interactive Lab.	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. Includes an Interactive Lab.	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. Includes an Interactive Lab.	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. Includes an Interactive Lab.	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