Q & A details -What is the difference between the "1" and the "4" on the electrodes in SMAW welding?
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What is the difference between the "1" and the "4" on the electrodes in SMAW welding?

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The number 1 means all positions and the number 4 means flat, horizontal, overhead, and downhill vertical positions. I thought this was all the positions besides uphill which is virtually non existent in welding processes.

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  • 0861788249

    0861788249 2017-01-16 10:22:42

    WELDING POSITIONS 1 Flat, Horizontal, Vertical (up), Overhead 2 Flat, Horizontal 4 Flat, Horizontal, Overhead, Vertical (down) Flat Position - usually groove welds, fillet welds only if welded like a “V” Horizontal - Fillet welds, welds on walls (travel is from side to side). Vertical - welds on walls (travel is either up or down). Overhead - weld that needs to be done upside down.

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