How Do You Know How Many Volts & Amps To Use When Welding Different Thicknesses Of Metals?

If I have two 1/8 inch thick pieces that I am welding together doing a; butt weld, horizontal weld, vertical weld, corner weld, or a T-weld how do you know what the voltage and amperage are to be set at?

2 Responses to “How Do You Know How Many Volts & Amps To Use When Welding Different Thicknesses Of Metals?”

  • Ron B:

    use scrap piece of metal same specs as the one you want to weld…turn amps till it sounds like bacon frying in pan ….i know sounds silly but it is the way welders do it…i have used this method for years it always works…

  • PAUL R:

    It depends on what welding rod you are using. Most welding machines have a chart on them for that.

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