B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 9/00 (2006.01)
Patent
CA 2382461
Arc welding of duplex stainless steel tubing is accomplished using a non- pulsed electric arc and a high refractory weld flux. Weld beads, uniform throughout their lengths, and having a duplex phase structure and desirable profile are produced by single pass orbital welding, even if the wall thickness of the duplex tubing exceeds 2 mm.
On réalise une soudure à l'arc sur tuyau en acier inoxydable duplex en utilisant un arc électrique non pulsé et un flux de soudage hautement réfractaire. On produit les cordons de soudure, uniformes sur toute leurs longueurs et présentant une structure à phase duplex ainsi qu'un profil recherché, par une seule passe de soudage orbital, même si l'épaisseur de la paroi du tuyau duplex est supérieure à 2 mm.
Ames Nathan D.
Marshall Andrew P.
Sapsford Charles
Wolf Edwin L.
Ridout & Maybee Llp
Swagelok Company
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