Method of butt welding

Details Method of butt welding Method of butt welding

1974-12-23

1976-10-05

Truhe, J. V.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219137R, 228175, 228191, 228227, B23K 918

Patent

active

039846520

ABSTRACT:
A method of butt welding two adjoining plates is disclosed. The method includes welding the two plates together in a single pass, cutting a gap in the center of the first weld leaving first weld material on the two adjoining surfaces, and then rewelding the gap between the two adjoining surfaces of first weld material ensuring the reweld only occurs on the first weld material. This method has the advantage of heat treating the heat affected zone (HAZ) of the parent material adjacent the weld to prevent adverse metallurgical effect on the metal.

REFERENCES:
patent: 2158799 (1939-05-01), Larson
patent: 2812419 (1957-11-01), Chyle
patent: 2830169 (1958-04-01), Medicus
patent: 3210520 (1965-10-01), Arnold et al.
patent: 3558846 (1971-01-01), Ujiie
patent: 3602688 (1971-08-01), Sibley
patent: 3625757 (1971-12-01), Wiehe et al.
patent: 3665143 (1972-05-01), Ujiie
patent: 3745322 (1973-07-01), Ito et al.

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