| Clock position | Welding angle | Puddle behavior | Technique | |----------------|---------------|----------------|------------| | (just after bottom) | Slightly uphill | Puddle wants to drop | Push rod, keep short arc; slow, small oscillation | | 5:30 to 3 (lower quadrant) | 10–15° uphill | Gravity helps slightly | Consistent travel speed; avoid excessive weave | | 3 to 12 (upper half) | Overhead → vertical → flat top | High sag risk | Keep puddle small; watch keyhole (root pass) | | 12 o’clock (top) | Near-flat | Can overfill if too slow | Quick weave or stringer, minimal dwell at edges |
Mastering 5G means mastering gravity. If you can keep your puddle consistent from the top of the pipe to the very bottom, you have proven your ability to control the molten pool in any orientation. 5g pipe welding position
5G – Fixed horizontal pipe