Flux composition for electro-slag over-lay welding of a cylindri

Details Flux composition for electro-slag over-lay welding of a cylindri Flux composition for electro-slag over-lay welding of a cylindri

1983-03-14

1984-03-20

Rosenberg, Peter D.

Metal treatment

Compositions

Fluxing

B23K 3534

Patent

active

044379064

ABSTRACT:
A flux composition suitable for electro-slag over-lay welding a stainless steel on a circumferential inner surface of a cylindrical vessel with a strip electrode under controlling a flow of molten slag and metal with an outer electro-magnetic field, which contains 50-60% by weight of CaF.sub.2, 10-20% by weight of SiO.sub.2, 5-25% by weight of CaO and 10-30% by weight of Al.sub.2 O.sub.3 in a ratio of SiO.sub.2 /CaF.sub.2 of at least 0.20 and a ratio of CaO/SiO.sub.2 of at least 0.50.

REFERENCES:
patent: 3396010 (1968-08-01), Gould
patent: 3627592 (1971-12-01), Schmidt
patent: 3857702 (1974-12-01), Corbett
patent: 4338142 (1982-07-01), Okuda

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