Gas mixture and welding method

Details Gas mixture and welding method Gas mixture and welding method

1990-03-27

1991-03-12

Shaw, Clifford C.

Electric heating

Metal heating

Nonatmospheric environment at hot spot

219137R, B23K 9173

Patent

active

049994743

ABSTRACT:
Gas mixture suitable for MAG welding at a high current using a rod filled with non-alloyed or low alloy steels, comprises 20 to 65% argon, 5 to 20% helium, and at least 30% CO.sub.2.

REFERENCES:
patent: 3139506 (1964-06-01), Wolff et al.
patent: 3160732 (1964-12-01), Gamberg
patent: 3496323 (1970-02-01), Lesnewich et al.
patent: 4749841 (1988-06-01), Galantino et al.
patent: 4857692 (1989-08-01), Larson et al.
patent: 4871898 (1989-10-01), Cherne et al.
patent: 4902866 (1990-02-01), Galantino
Welding Journal, vol. 66, No. 9, Sep. 1987, pp. 45-49, Miami, Fla. U.S.; V. R. Dillenbeck et al.: "The Effects of Various Shielding Gases and Associated Mixtures in GMA Welding of Mild Steel".
French Search Report.

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