In welding, what does it mean if a weld is made in the vertical-up position?

When a weld is made in the vertical-up position, it means that the welder operates in a vertical orientation, and the welding progresses upward. This position is commonly used for various types of joints and is critical in applications where the joint must be filled from the bottom to the top.

Welding in this position requires specific techniques and skills because the molten filler metal must be carefully managed to prevent it from sagging or dripping. This technique is essential for producing strong and uniformly finished welds, particularly in structural applications where weld integrity is paramount.

In contrast to other options, this position is distinct from horizontal, overhead, or downward slanted positions, each of which has its own characteristics and techniques for welding.