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  2. What materials are compatible with K-TIG?

What are the operating limits for keyhole TIG welding using a K-TIG Welding system?

The K-TIG Welding System uses conventional weld forces with a higher current (amps) to create a stable keyhole TIG weld. 

Assuming a good material fit-up with a compatible material type and thickness, the current can range from 310 A to 600 A, with travel speeds between 250 mm/min | 9.84 in/min to 800 mm/min | 31.49 in/min, depending on the requirements of the weld application.