Techniques for GMAW welding using shielding gases and consumable electrodes for fabrication.
About this course
Gas Metal Arc Welding (GMAW), often called MIG welding, is one of the most widely used welding processes in modern fabrication. In this course, you will learn how to set up the equipment, choose the right shielding gas and filler metal, and produce consistent, high-quality welds on carbon steel. You will practice in the welding bays in the Tamarack Building, working through flat, horizontal, and vertical positions.
The course covers equipment setup, parameter selection, and troubleshooting common defects like porosity and incomplete fusion. You will also learn how to inspect your work against industry standards. This course builds on the fundamentals from WELD 1100 and WELD 1600, so you should already be comfortable with basic safety and welding setup.
Who takes this course
Credits: 1.5 · Hours: 30
Prerequisites
- WELD 1100 Welding Processes I
- WELD 1600 Welding Safety Fundamentals
Learning outcomes
- Set up and adjust GMAW equipment for various material thicknesses and positions.
- Select appropriate shielding gas mixtures and filler metal for different applications.
- Execute flat, horizontal, and vertical-up welds on carbon steel plates.
- Inspect and evaluate welds for common defects such as porosity and incomplete fusion.
- Apply proper safety procedures for handling compressed gases and high-current equipment.
Evaluation
| Component | Weight (%) |
| Practical skills assessment | 60 |
| Weld inspection and quality control | 20 |
| Written quiz on equipment setup and safety | 20 |