Dec 03, 2023  
College Catalog 2021-2022 
College Catalog 2021-2022 [ARCHIVED CATALOG]

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ATWD 1150 - Gas Tungsten Arc Welding (TIG)

Credit Hours: 3.00

Prerequisites: ATWD 1110 

The student shall know how to set up and safely operate the GTAW welding equipment, select the proper filler material and welding procedure, and weld shielding gas. The student shall pass bend test of groove joints in steel and aluminum using different filler metal, metal thickness, and shielding gases in the flat position. The weld tests are to be done in accordance with the A.W.S. procedures.

Billable Contact Hours: 4

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Outcome 1: Upon completion of this course, students will be able to demonstrate the set up and safe operation of gas tungsten arc welding equipment, other related equipment and function safely in a welding environment.


  1. Pass a fillet weld test in steel and aluminum in the horizontal position according to A.W.S. Welding Code, D1.1 and D1.2.
  2. Pass a V groove weld test in the flat position of steel and aluminum in accordance with the A.W.S. Welding Code, D1.1 and D.2.

Outcome 2: Upon completion of this course, students will be able to follow the instructions of a welding procedure.


  1. Select the proper filler metal to weld with.
  2. Weld steel in the flat position.
  3. Weld aluminum in the flat position.

• Communication: The graduate can communicate effectively for the intended purpose and audience.
• Critical Thinking: The graduate can make informed decisions after analyzing information or evidence related to the issue.
• Global Literacy: The graduate can analyze human behavior or experiences through cultural, social, political, or economic perspectives.
• Information Literacy: The graduate can responsibly use information gathered from a variety of formats in order to complete a task.
• Quantitative Reasoning: The graduate can apply quantitative methods or evidence to solve problems or make judgments.
• Scientific Literacy: The graduate can produce or interpret scientific information presented in a variety of formats.

CDO marked YES apply to this course:
Quantitative Reasoning: YES
Scientific Literacy: YES


  1. Introduction, course requirements
  2. TIG welding steel and lab orientation
  3. Bedding on steel plate, procedures
  4. Edge and corner joints
  5. Lap joint and T-joint fillet welds
  6. Square butt joint
  7. Qualification test steel - per AWS D1.3 Structural Welding Code - sheet metal
  8. Aluminum welding - discussion of aluminum alloys
  9. Bedding on plate aluminum
  10. Edge and corner joints and aluminum
  11. Lap joint - fillet weld (1F)
  12. Tee joint-fillet weld (1F)
  13. Square groove - open butt joint (1G)
  14. Qualification test aluminum (1G) Pelaws D1.2

Primary Faculty
Kacir, John
Secondary Faculty

Associate Dean
Pawlowski, Timothy
Hutchison, Donald

Official Course Syllabus - Macomb Community College, 14500 E 12 Mile Road, Warren, MI 48088

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