Introduction to Welding

Welding is the joining of two metals can be using the parent metal or a filler. with or without the application of heat. An introduction to welding has been made in this article and the classification of welding along with the safety in welding have been discussed. Welding enjoys an advantage over other methods of joining like riveting and bolting in that it is lighter, more corrosion resistant, lasting longer, being stronger than the parent metal, and providing fluid tightness.