| Position | Difficulty | Gravity Effect | Typical Application | |----------|------------|----------------|----------------------| | 1F (Flat) | Easy | Helps puddle | Bench welding, shop fab | | 2F (Horizontal) | Moderate | Puddle sags down | Structural beams | | 3F (Vertical) | Hard | Puddle falls straight down | Vertical structural | | | Very Hard | Puddle falls toward welder | Shipbuilding, heavy equipment repair |
Keep the arc tight. If using a manipulation technique, use a tight weave, a slight "Z" motion, or small crescent steps.
Caused by too much amperage or improper angle, cutting into the base metal at the toes of the weld.
The refers to a vertical fillet weld . In this position:
From the welder's perspective (looking up):
Understanding Welding Positions: A Comprehensive Guide - Lincoln Tech