Multiple electrode submerged arc welding method

Details Multiple electrode submerged arc welding method Multiple electrode submerged arc welding method

1978-12-29

1980-07-22

Kucia, Richard R.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

148 26, 219137R, B23K 918

Patent

active

042141419

ABSTRACT:
A submerged arc welding method and more specifically, a multiple electrode welding method is disclosed wherein welding is performed by arranging electrodes in such a manner that the distance becomes at least 300 mm between a first molten pool formed by multilayer welding or by a single or plural electrodes preceding along the weld line and a subsequent molten pool formed by a single subsequent electrode or plural subsequent electrodes, as well as a submerged arc welding method which is characterized in that there is formed a slag having the components listed below on the weld metal formed by an electrode or a preceding electrode forming a preceding layer, and welding is carried out as such, without removing the slag, using an electrode or a subsequent electrode forming a subsequent layer;

REFERENCES:
patent: 2550641 (1951-04-01), Harter
patent: 2620423 (1952-12-01), Komers
patent: 3192079 (1965-06-01), Takagi
patent: 3424626 (1969-01-01), Coless
patent: 3513283 (1970-05-01), Arnoldy
patent: 3704358 (1972-11-01), Saito
patent: 3885123 (1975-05-01), Sciaky

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