Basic Welding

  1. Introduction
  2. ARC Welding
  3. Power Supply
  4. Steel Selection
  5. Electrode Selection
  6. Basic Welding Current
  7. Arc Shielding
  8. Nature of the ARC
  9. The First Weld
  10. Choose the right Electrode size
  11. Types of joints
  12. General notes on Butt Weld
  13. Fillet Welding
  14. Tee joints
  15. Lap welding
  16. Position Welding
  17. Vertical Welding
  18. Some tips
    • Choose a joint position & electrode that is conductive to the metal
    • Follow simple principles for joint geometry & fit up
    • Avoid build-up &over welding
    • Hidden forces
  19. Troubleshooting
    • Weld defects
    • Spatter
    • Undercutting
    • Wet electrodes
    • Wandering arc
  20. Welding & safety
  21. The correct approach
  22. Safety hazards of welding
    • Electrical hazards
    • Fire & explosions
    • Lighted blowpipes
    • Preventing injury