For which types of welds is spray transfer suitable?

Spray transfer is a welding technique that is characterized by a smooth and consistent transfer of molten metal droplets from the welding electrode to the workpiece, which occurs in a controlled manner. This method is particularly suitable for applications that require high welding speeds and can produce high-quality welds with minimal spatter.

Fillet and groove welds in the flat position are ideal candidates for spray transfer due to the nature of the welding process. When performing welds in the flat position, gravity aids in the flow of the molten weld pool, allowing for a more efficient and effective welding process without the complications that might arise in vertical or overhead positions. In addition, the spray transfer mode operates optimally at higher currents, which is well-suited for groove welds that require a deep penetration to join thicker materials.

While other types of welds, such as fillet welds in vertical positions or in combinations of different positions, may work with different transfer methods, they do not fully leverage the advantages of spray transfer. In those cases, there may be a greater risk of excessive spatter, poor penetration, or challenges in controlling the weld pool due to gravity. Thus, the specific capability of spray transfer in producing clean, high-quality welds in the flat position with