What Is A — 4g Weld

Therefore, a is a groove weld performed in the overhead position . The test plate is suspended above the welder’s head, forcing them to weld looking up.

Keep the filler rod strictly inside the shielding gas envelope, dabbing thin amounts of wire frequently to keep the puddle small. 5. Common Defects and How to Avoid Them Defect Type Root Cause in 4G Preventive Action Undercut what is a 4g weld