Welding is a process of joining similar metals by the application of heat, with or without application of
pressure and addition of filler material.
“Welding consists of fusing metals together while they are in the plastic or molten state.” Gas and Electric
arc are used for the purpose of heat. Electrodes are used for filling in and reinforcement. There are 8
welding processes as mentioned below:
• Arc welding
• Brazing
• Flow welding
• Forge welding
• Gas welding
• Induction welding
• Resistance welding
• Thermit welding
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