B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
13/15
B23K 3/00 (2006.01) B22D 19/08 (2006.01)
Patent
CA 1090512
ABSTRACT OF THE DISCLOSURE: The invention is concerned with a method of improving the resistance to hydrogen embrittlement of welded joints in carbon steels and low-alloy structural carbon steels. The method of the invention comprises creating in the weld zone a galvanic couple such that hydrogen ions are discharged onto the welded seam while the latter is protected from the hydrogen action, by using for the welding operation a steel welding wire containing nickel and a metal selected from the group consisting of chromium and molybdenum, the nickel content of the wire being lower than the chromium or molybdenum content of the wire but higher than the nickel content of the steel to be welded.
283310
Lannaioli Arduino
Sarracino Mario
Italsider S.p.a.
Robic Robic & Associes/associates
LandOfFree
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