Flux for overlay welding

Details Flux for overlay welding Flux for overlay welding

1982-07-21

1984-03-13

Rosenberg, P. D.

Metal treatment

Compositions

Fluxing

75 53, B23K 3534

Patent

active

044365632

ABSTRACT:
A flux for overlay welding, essentially containing by weight 30-70% of CaF.sub.2, 10-30% of Al.sub.2 O.sub.3, 1-15% of CaO, 5-25% of SiO.sub.2 and 5-25% of MgO such that the total amount of CaF.sub.2, Al.sub.2 O.sub.3, CaO, SiO.sub.2 and MgO is greater than 70%, while satisfying the conditions of MgO/(Al.sub.2 O.sub.3 +SiO.sub.2).gtoreq.0.20, MgO/SiO.sub.2 .ltoreq.2.0 and MgO/Al.sub.2 O.sub.3 .ltoreq.2.0.

REFERENCES:
patent: 3580748 (1971-05-01), DeLong
patent: 3704744 (1972-12-01), Halley
patent: 3932200 (1976-01-01), Miyano
patent: 3959031 (1970-05-01), More
patent: 4066478 (1978-01-01), Dettaeck
patent: 4207121 (1980-06-01), Nakabayashi
patent: 4338142 (1982-07-01), Okuda

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