MetFab - Air Products Welder's Handbook - Flipbook - Page 27
For all joint types, use the same slightly
pushing torch technique as used on thicker
plate material. The arc should be directed
into the center of the joint and your
parameters adjusted so that the arc plays
on the middle of the weld pool rather than
on the leading edge. This will minimize the
risk of burn-through.
When butt joints in sheet of less than 1mm
thick are to be TIG welded, the edges of the
sheet can be flanged to avoid the need to
use filler metal. When welding without
filler metal the process is referred to as
autogenous welding.
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