Process for the arc welding of nitrogen alloyed steels

Details Process for the arc welding of nitrogen alloyed steels Process for the arc welding of nitrogen alloyed steels

1986-05-12

1988-06-14

Goldberg, E. A.

Electric heating

Metal heating

By arc

219137WM, B23K 9225

Patent

active

047513667

ABSTRACT:
Process for arc fusion welding under atmospheric conditions of a base material which is a nitrogen alloyed steel, in which the bulk share of nitrogen in the steel is above its solubility limit under atmospheric conditions. The nitrogen released during the melting of the base material is confined to the melting bath formed during the welding.

REFERENCES:
patent: 2371823 (1945-03-01), Jackson
patent: 2902587 (1959-09-01), Bernard
patent: 3670135 (1972-06-01), Zvanut
patent: 3767891 (1973-10-01), Haverstraw et al.
DIN 32 525, Part 2, Aug. 1979 edition.
Frohberg, Martin G.: Thermodynamik fuer Metallurgen und Werkstofftechniker (In translation, Thermodynamics for Metallurgists and Material Technicians), Leipzig: VEB Deutscher Verleg fuer Grundstoffindustrie (German Publishers for the Raw Material Industry), 1980.
Schneck et al, "Untersuchungen Ueber die Beeinflussung der Gleichgewichte von Stickstiff mit Fluessigen Eisenlegierrungen Durch den Zusatz Weiter Elemente (II) (Investigations Concerning the Influence on the Equilibria of Nitrogen with Liquid Iron Alloys by the Addition of Other Elements), Archiv fuer das Eisenhuettenwesen 30 (Archives for the Metallurgical Industry), (1959), 9, pp. 533 to 537.
Bekkers et al, "Welding of Special Metals-Properties and Uses of Modern, Corrosion-Resistant Welding Filler Metals", DVS Report 83 (1983), German Publishers for Welding Technology (DVS) GmbH, Dusseldorf, pp. 46 to 51.
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 24, pp. 502 to 507, Third Edition, John Wiley & Sons (1984).

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