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.