The invention relates to a method for producing gilled metal pipes.
According to the method, at least one continuous, gill-forming strip is
applied to a rotating pipe body at a tangent and unwound onto the pipe
body in an approximately helical line. The side of the strip facing
towards the pipe body is connected to the pipe surface by a welding
device, using an additional material. The welding process is optimized and
the finishing quality increased by molding a web that is bent at right
angles to the strip that forms the gills before the strip is wound onto
the pipe body. The strip is preferably bent into a U-shape and the web,
which runs between the two limbs of the U-shape, is guided flatly onto the
pipe body.
