Laser welding in industrial environments is becoming more and more popular than traditional MIG welding and TIG welding methods, but why? Serra Lasers Evan Shea runs us through some of the differences and similarities of a laser welder compared to TIG welding, including why a laser weld can not only be faster but also stronger and cheaper than a TIG weld. Using the IPG LightWELD 1500 laser welder as the example, we take a look at what shielding gas is used between nitrogen gas and argon gas with