WELDING ELECTRODE COATING Russian patent published in 2005 - IPC

Abstract RU 2257987 C1

FIELD: manufacture of welding electrodes of main type for manual electric arc welding of ship structures and construction of gas-oil complex of carbon and low alloy steels.

SUBSTANCE: coating contains marble, fluorspar, quartz sand, magnesite, ferrosilicon, rutile or titanium dioxide, ferromanganese of iron-manganese concretions containing rare earth metals and plasticizing agents. Coating contains in addition mineral alloy including at least 45% of alumina and iron-ore pellets including at least 90% of iron(III) oxide.

EFFECT: complete prevention of porosity, easy ignition of arc and good shaping of welded metal in all spatial positions including position on reverse side of welded joint at welding along gap.

3 tbl, 3 dwg

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RU 2 257 987 C1

Authors

Malyshevskij V.A.

Brusnitsyn Ju.D.

Grishchenko L.V.

Vasil'Eva L.P.

Voronova O.V.

Guts A.V.

Demjantsevich N.V.

Dikarev V.V.

Livshits I.M.

Mironov Ju.M.

Nosenkov A.N.

Rogov V.S.

Samorodov I.G.

Dates

2005-08-10Published

2003-11-10Filed