K-TIG Vs Laser Beam Welding

Process Comparison

K-TIG is a high performance, full penetration variant of the TIG/GTAW process.

Laser Beam Welding is a welding technique used to join a work piece through the use of a powerful laser.

The beam provides a highly concentrated heat source, allowing for narrow, deep welds and high welding rates. High powered lasers capable of penetrating medium and heavy gauge materials are available, but their cost is prohibitive for most applications. 

Laser welding has virtually zero tolerance to irregular fit-up. K-TIG is similar to laser welding only to the extent that both processes can open a ‘keyhole’ through the full thickness of the joint.

K-TIG achieves this at a small fraction of the cost of a laser welding system, and requires no specialist skills to operate it or maintain it.

K-TIG is much more tolerant of irregularities in fitup.

The K-TIG process tolerates at least twice the gap and mismatch of laser welding, and provides a much smoother root bead.
Attila Szabo, Principal Joining Engineer, GE

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