WEL 204 Flux Cored Arc Welding (Gas) – Overhead (4F) Position Fillet Weld Lab
Purpose:
To run multiple-pass fillet welds in the overhead (4F) position using flux cored arc welding machine procedures and tubular wire with 75/25 shielding gas on plain carbon steel plate.
Material:
¼” Steel Plates; .045 E71T-11
Tools and Equipment:
Flux Cored Arc Welder; breaker bar, vice, pliers, welder’s helmet, gloves, apron
Safety:
- Ensure proper ventilation in welding station
- Follow PPE Checklist
- Do not touch welded material until it has cooled
Procedure: Multiple-pass fillet welds in the overhead position (4F)
- Ensure that ventilation system is turned on.
- Ensure that ground cable is securely attached.
- Place ¼” steel plates (welding material) on workbench
- Adjust controls on welding machine to proper settings.
- Turn on welding machine.
- Practice using FCAW equipment and filler wire with 75/25 shielding gas to make multiple-pass fillet welds on carbon steel plate in the 4F position.
- Run final fillet weld in 4F position for instructor review.
- Shut down welding machine.
- Inspect and test weld with instructor.