Pipe Welding Positions Diagram [2021] May 2026

Would you like a printable PDF version of this diagram, or an explanation of how to qualify a welder for each position under ASME Section IX?

2G (Fixed) 6G (Fixed 45°) ═══════════ ═══════════ ┌────┐ ┌────┐ │ ↑ │ │ / │ │ ↓ │ │ / │ └────┘ └────┘ Vertical axis Inclined axis LEGEND: → = pipe rotation ↑↓ = welder movement / = 45° tilt Q: Which pipe welding position requires the welder to weld overhead, vertical, and flat in the same joint without rotating the pipe? A: 6G (Inclined Fixed).

2G (Vertical Fixed) 6G (Inclined Fixed @45°) ══════════════════════ ══════════════════════ ┌──────┐ ┌──────┐ │ ●● │ Pipe vertical │ ●● │ Pipe tilted 45° │ ● ● │ Axis vertical │ ● ● │ Most difficult └──────┘ └──────┘ Welder moves horizontally Axis: Inclined