WLD 262 - Gas Tungsten Arc Welding

1. Demonstrate all safety protocol.
2. Demonstrate mild steel welding.
3. Demonstrate aluminum welding.
4. Demonstrate stainless steel welding.

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 Administration (OSHA) regulations
2. Welding Terminology
   1. Dictionary of welding terms
   2. Applications
3. GTAW Process and Equipment
   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 Source 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 basemetal welding
   2. Characteristics of the shielding gases
9. Mild Steel Welding
   1. Basemetal preparations
   2. Welding procedures and techniques
   3. Flat, vertical, and horizontal positions
10. Aluminum Welding
    1. Basemetal preparations
    2. Welding procedures and techniques
    3. Flat, vertical, and horizontal positions
11. Stainless Steel Welding
    1. Basemetal preparations
    2. Welding procedures and techniques
    3. Flat, vertical, and horizontal positions
12. GTAW Certification
    1. Types of GTAW certifications
    2. GTAW codes and specifications