TIG Welding Introduction - Download PPT


  • Background/Advantages & Disadvantages
  • Safety
  • Preparation for TIG Welding
  • Techniques for Basic Weld Joints
  • TIG Shielding Gases
  • Welding Parameters
  • Tungsten Electrode Selection
  • Conclusion

Process characteristics :- 

In the TIG welding process the arc is formed between a pointed tungsten electrode and the workpiece in an inert atmosphere of argon or helium. The small intense arc provided by the pointed electrode is ideal for high quality and precision welding. Because the electrode is not consumed during welding, the TIG welder does not have to balance the heat input from the arc as the metal is deposited from the melting electrode. When filler metal is required, it must be added separately to the weldpool.

  • TIG welding is an exciting skill that proves itself useful in countless applications
  • Because it welds more metal and metal alloys than any other process, TIG welding should be regarded as an important tool where experience is the teacher
  • Welding parameters and tungsten electrode selection tables are recommended values and should be used as a guideline
  • Information presented here is only the tip of the iceberg, and further research and hands-on involvement should be pursued to be comprehensive.

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