Shielding gas for electric arc welding

Details Shielding gas for electric arc welding Shielding gas for electric arc welding

1983-11-30

1986-12-02

Goldberg, E. A.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219 75, B23K 900, B23K 3538

Patent

active

046266461

ABSTRACT:
A shielding gas for use in electric arc welding is disclosed. The gas comprises a mixture of helium, argon, 1.75% to 2.25% carbon dioxide and 0.25% to 1.0% oxygen (by volume). Use of the gas enables slag-free welds which accept readily paint applied by an electrostatic deposition process.

REFERENCES:
patent: 3139506 (1984-06-01), Wolff et al.
patent: 3496323 (1970-02-01), Lesnewich et al.
patent: 4463243 (1984-07-01), Church

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