Welding wire

Details Welding wire Welding wire

1987-11-24

1989-06-20

Goldberg, E. A.

Electric heating

Metal heating

Weld rod composition

21914523, 219 83, 140715, B23K 3522

Patent

active

048411191

ABSTRACT:
The invention relates to a welding electrode with smooth surface for gas shielded arc welding, comprising a steel substrate provided with a thin, ferrous oxide containing covering layer. This covering layer has a thickness of less than 500 .ANG. and the structure of a ferric oxide gel comprising trivalent Fe-cations surrounded by oxygen containing anions, which anion-surrounded cations are amorphously bound in an aqueous gel-like network.
A method is also described of producing this electrode and of using it in an arc-welding process.

REFERENCES:
patent: 3900593 (1975-08-01), Herczog et al.

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