Arc-welding of cupro-nickel pipes and other parts

Details Arc-welding of cupro-nickel pipes and other parts Arc-welding of cupro-nickel pipes and other parts

B - Operations, Transporting

23

K

327/38

B23K 9/02 (2006.01) B23K 9/23 (2006.01) B23K 33/00 (2006.01)

Patent

CA 1134451

ABSTRACT OF THE DISCLOSURE A process for the arc-welding of cupro-nickel (ASME P.34) parts particularly pipe ends using a flux-coated stick electrode, characterised in that an "open V" butt weld is employed with a root face having a mean width greater than 1/16 inch (1.5 mm) and not greater than 1/8 inch (3.2 mm) and a root gap from 2 to 3 mm the process being further characterised in that the welding is carried out solely from the open side of the V without employing additional inert gas shielding, backing material or subsequent welding at the reverse face.

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