Answer to Question #199854 in Inorganic Chemistry for Rajesh Kumar

Question #199854

Explain with neat sketch the various parts, principle and working of a Gas Welding process. Mention the different types of flames and its significance also.

Expert's answer

1)Neutral Flame: - A neutral flame is obtained when equal amounts of oxygen and acetylene are mixed and burnt in a torch.


Applications: - stainless steel, cast iron, copper ,mild steel and aluminum 

2) Oxidizing Flame: - If more oxygen is added, the cone becomes darker and more pointed, while the envelope becomes shorter and is called Oxidizing flame 


Applications: - copper base alloy, zinc base metal, Brass and Bronze

3) Carburizing Flame: A carburizing or reducing flame is obtained when acetylene is supplied more than oxygen.  

Applications:-high carbon steel, nonferrous alloy 

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