Good and quick (Worldwide 1-2002) New orbital concept for welding thick-walled pipes
Partial seam welding opens up new possibilities for the construction of complex, piggable pipeline systems. Materials up to five millimeters thick can be joined without fillers or preparation of the weld seam.
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Here you will find welding gases for fast welds (URL: http://www.thinkenergy.com/a/em4700.html)
