Whether you are studying for a CWI exam or trying to decipher a WPS (Welding Procedure Specification), understanding these alphanumeric codes——is essential.
For vertical welding, you’ll often see “3G Uphill” (vertical up) vs. “3G Downhill” (vertical down). Uphill provides deeper penetration; downhill is faster for thin materials. welding position chart
The welding position chart is your roadmap to quality welds in any orientation. A welder who can run a perfect 4G overhead fillet is a welder who gets hired. Whether you are studying for a CWI exam
The pipe axis is vertical. The weld is deposited horizontally around the pipe. This is essentially the same as the 2G plate position, but the welder must maneuver their body around a cylinder. welding position chart