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College Catalog: Course Listings: Welding

WEL 117 – Oxyfuel Welding and Cutting
Introduces history of oxyacetylene welding, principles of welding and cutting, nomenclature of the equipment, development of the puddle, running flat beads, and butt welding in different positions. Explains silver brazing, silver and soft soldering, and safety procedures in the use of tools and equipment.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
3 credits at PDCCC

WEL 123 – Shielded Metal Arc Welding (Basic)
Teaches operation of AC and DC power sources, welding polarities, heats and electrodes for use in joining various metal alloys by the arc welding process. Deals with running beads, butt, and fillet welds in all positions. Emphasizes safety procedures.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
3 credits at PDCCC

WEL 124 – Shielded Metal Arc Welding (Advanced)
Continues instruction on operation of AC and DC power sources, welding polarities, heats and electrodes for use in joining various metal alloys by the arc welding process. Deals with running beads, butt, and fillet welds in all positions. Emphasizes safety procedures.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
3 credits at PDCCC

WEL 126 – Pipe Welding I
Teaches metal arc welding processes including the welding of pressure piping in the horizontal, vertical, and horizontal-fixed positions in accordance with section IX of the ASME code.
Lecture 2-3 hours. Laboratory 3 hours. Total 5-6 hours per week.
3-4 credits
3 credits at PDCCC

WEL 127 – Pipe Welding II
Provides practice in the welding of pressure piping in the horizontal, vertical, and fixed positions.
Laboratory 9 hours per week.
3 credits

WEL 135 – Inert Gas Welding
Introduces practical operations in use of inert gas shielded arc welding. Studies equipment operation, setup, safety and practice of GMAW (MIG) and GTAW (TIG).
Lecture 1 hour. Laboratory 3 hours. Total 4 hours per week.
2 credits

WEL 136 – Welding III (Inert Gas)
Studies Tungsten and metallic inert gas procedures and practices including principles of operation, shielding gasses, filler rods, process variations and applications, manual and automatic welding, equipment and safety.
Lecture 1 hour. Laboratory 3 hours. Total 4 hours per week.
2 credits

WEL 141 – Welder Qualification Tests I
Studies techniques and practices of testing welded joints through destructive and non-destructive testing. Part I of II.
Lecture 2 hours. Laboratory 3-6 hours. Total 5-8 hours per week.
3-4 credits
3 credits at PDCCC

WEL 146 – Welding Quality Control
Teaches techniques and practices of inspection, and interpretation of tests and measurements. Includes radiographic tests of joints of unlimited thickness welded in 3G and 4G positions.
Lecture 2 hours. Laboratory 3 hours. Total 5 hours per week.
3 credits