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CCOG for WLD 225 archive revision 201403

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Effective Term:
Summer 2014 through Summer 2016
Course Number:
WLD 225
Course Title:
Gas Tungsten Arc Welding: (Mild Steel) Pipe II
Credit Hours:
Lecture Hours:
Lecture/Lab Hours:
Lab Hours:

Course Description

Develops knowledge and manipulative skills while welding a variety of diameters mild steel pipe in the 6G, (fixed 45 angle) using the G.T.A.W. process. Department permission required. Audit available.

Addendum to Course Description

This is an outcome based course utilizing a lecture/lab format. This course includes classroom discussions, video tapes, and lab demonstrations covering technical skills. Course outcomes will include;  theoretical concepts, layout, fabrication, welding, oxyfuel cutting, safety and environmental awareness, communication, computations and human relations.  

Intended Outcomes for the course

  • Function safely in the PCC Welding Lab
  • Demonstrate professional work ethics (habits)
  • Apply math and science concepts related to GTAW Pipe
  • Interpret drawings and symbols to accurately layout a project, prepare and assemble to specified tolerances.
  • Weld 2 inch schedule 80 mild steel pipe in the 5G and 6G positions using the GTAW and S.M.A.W. processes.  

Outcome Assessment Strategies

The student will be assessed on his/her ability to demonstrate the development of course outcomes. The methods of assessment may include one or more of the following: oral or written examinations, quizzes, written assignments, visual inspection techniques, welding tests, safe work habits, task performance, and work relations.

Course Content (Themes, Concepts, Issues and Skills)

Function safely in the PCC Welding lab

  • Students will understand and practice personal safety by using proper protective gear.
  • Students will understand and practice hand and power tool safety.
  • Students will understand and maintain a safe work area.
  • Recognize and report dangerous electrical and air/gas hose connections
  • Understand and practice fire prevention
  • Access and explain the importance of the Material Safety Data Sheets (MSDS)  

Demonstrate professional work ethics (habits)

  • Track training hours on time card
  • Perform projects in accordance to specifications and procedures
  • Follow directions in a positive manner
  • Manage time productively
  • Respects equipment and others
  • Demonstrate skill in problem solving and decision making  

Apply math and science concepts related to GTAW Pipe

  • Explain how welding costs are calculated
  • Identify the benefits of using Low-Hydrogen electrodes for Welding of Steel Pipe
  • Explain the composition of the ER70S-6 filler metal
  • Identify the characteristics of E7018 Low-Hydrogen Electrodes
  • Identify the function and composition of GTAW shielding gases

Interpret drawings and symbols to accurately layout, prepare and assemble weld joints.

  • Interpret lines, symbols and verbiage on project drawing.
  • Layout material per drawing specification
  • Assemble and weld project per specification.  

Weld 2 inch schedule 80 mild steel pipe in the 5G and 6G positions to ASME Section IX Code quality standards.

  • Demonstrate correct welding techniques
  • Follow welding procedure
  • Demonstrate visual examination principles and practices in accordance with ASME Section IX