Molten basic welding fluxes low in manganese and with low moistu

Details Molten basic welding fluxes low in manganese and with low moistu Molten basic welding fluxes low in manganese and with low moistu

1974-12-23

1976-05-25

Rosenberg, Peter D.

Metal treatment

Compositions

Fluxing

75 94, B23K 3534, C22B 910

Patent

active

039590313

ABSTRACT:
Molten basic welding fluxes low in manganese and having low moisture sensitivity composed as follows: 10 - 18 % by weight of SiO.sub.2 15 - 25 % by weight of Al.sub.2 O.sub.3 0.1 - 2.0 % by weight of FeO and/or Fe.sub.2 O.sub.3 0 - 8 % by weight of TiO.sub.2 0 - 3 % by weight of MnO 1 - 8 % by weight of CaO 0 - 4 % by weight of BaO 16 - 33 % by weight of MgO 0 - 2 % by weight of Na.sub.2 O and/or K.sub.2 O 0 - 8 % by weight of ZrO.sub.2 15 - 28 % by weight of CaF.sub.2 0 - 1 % by weight of Cr.sub.2 O.sub.3 1 - 8 % by weight of CaO + BaO 25 - 37 % by weight of CaO + BaO + MgO 12 - 22 % by weight of SiO.sub.2 + TiO.sub.2.
The invention also relates to a process of making the fluxes. The welding fluxes according to the invention have considerably improved welding properties.

REFERENCES:
patent: 2697770 (1954-12-01), Carpenter
patent: 2755211 (1956-07-01), Jackson
patent: 2759084 (1956-08-01), Jackson
patent: 2868681 (1959-01-01), Shrubsall
patent: 3201292 (1965-08-01), Miltschitzky
patent: 3328212 (1967-06-01), Coless
patent: 3551137 (1970-12-01), Bhat

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