Laser welding can transform the productivity of an assembly, but it does not eliminate TIG. The two processes suit different constraints and levels of production organization.
01
Speed and heat input
Laser welding concentrates energy and can travel much faster, with a smaller heat-affected zone. TIG spreads heat more widely and often requires more straightening or finishing.
02
Part preparation
TIG generally tolerates variable gaps better and lets the operator adjust during welding. Laser welding requires more consistent fit-up, controlled preparation, and sometimes filler wire.
03
Skills and safety
The motion can be quicker to learn on some handheld laser systems, but laser safety requires rigorous organization. Process knowledge remains essential in both cases.
04
When should each be used?
Laser is relevant for repeatable parts where speed and low distortion create measurable value. TIG remains excellent for repair, short runs, difficult access, and work that requires continuous adaptation.
The comparison must always return to your parts, volumes, and quality criteria. A representative trial remains the basis of a reliable industrial decision.