what is welding

what is welding

1. Welding is the union between two or more metallic or non-metallic pieces, either by heat or pressure, resulting in a fixed union.

2. GMAW

   • continuous wire feeder, a mixture of argon and co2 gases is used gas pressure gauge and regulator
     • torch, gas diffuser nozzle, wire parts
       • gloves, face shield, thick clothing, boots, mask, bib, hearing protector

3. SMAW

   • a coated electrode is used gas is not used you can only adjust the amperage
     • gloves, face shield, thick clothing, boots, mask, bib, hearing protector

4. SOFT WELDING

   • low temperature easy to do
     • ground plate, electrode holder, electrode, piece
       • gloves, face shield, thick clothing, boots, mask, bib, hearing protector

5. GTAW

   • does not produce slag the process is slower a tungten electrode is used it is more expensive
     • gloves, face shield, thick clothing, boots, mask, bib, hearing protector
       • torch, gas diffuser nozzle, molding, tugten

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