May 14, 2025  
2025-2026 Workforce Education Catalog 
    
2025-2026 Workforce Education Catalog

UWLD 262 - Introduction to Gas Metal Arc Welding


Procedures and techniques in the Gas Tungsten Arc Welding (GTAW) process. Includes health, safety, and environmental practices; welding terminology, GTAW process and equipment, and equipment operation and techniques. Also includes power source types and controls, welding currents and polarities, tungsten electrodes, shielding gases, mild steel welding, aluminum welding, stainless steel welding, and GTAW certification.

Course Learning Outcomes:
  1. Demonstrate all safety protocol.
  2. Demonstrate mild steel welding.
  3. Demonstrate aluminum welding.
  4. Demonstrate stainless steel welding.

Outline:
  1. Health, Safety, and Environmental Practices  
    1. Eye Protection 
    2. Protective clothing 
    3. Equipment handling 
    4. Safety features to GTAW process 
    5. Occupational Safety and Health Admins
  2. Welding Terminology 
    1. Dictionary of welding terms 
    2. Applications 
  3. GTAW process of operation 
    1. Process of operation 
    2. GTAW parameters and variables 
    3. Power sources 
    4. Types of foot pedals 
    5. Welding torches 
    6. Gas regulators 
  4. Equipment Operation and Techniques 
    1. Assembly of the GTAW equipment 
    2. Starting the Arc 
    3. Torch angles 
    4. Oscillating the torch 
    5. Adding the filler rod 
    6. Speed of travel 
  5. Power Sources Types and Controls 
    1. Types of power sources 
    2. Manual power source controls on panel 
    3. Polarity control 
    4. Amperage control 
  6. Welding Currents and Polarities 
    1. Types of welding currents and their uses 
    2. Types of polarities in the current and their uses 
  7. Tungsten Electrodes 
    1. Types and sizes of tungsten electrodes used in welding projects 
    2. Care of the tungsten electrode 
  8. Shielding Gases 
    1. Types of shielding gases used in different types of base metal welding 
    2. Characteristics of the shielding gases 
  9. Stainless Steel Welding 
    1. Basemetal preparations 
    2. Welding procedures and techniques 
    3. Flat, vertical and horizontal positions 
  10. GTAW Certification 
    1. Types of GTAW certifications 
  11. GTAW  codes and specifications