FLUX CORED ELECTRODE FOR TREATMENT OF METALLURGICAL MELT Russian patent published in 2008 - IPC C21C1/00 C21C7/00 

Abstract RU 2342443 C2

FIELD: metallurgy.

SUBSTANCE: invention concerns ferrous metallurgy, particularly it concerns out-furnace treatment of cast iron and steel melts. Flux cored electrode contains of metallic sheath and calcium-bearing filler with particles size 0.4-2.0 mm. Filler material is pure calcium or silicocalcium, or mechanical mixture of pure calcium with one of the following additional components: iron, silicocalcium, magnesium, aluminium, ferroalloy. For achieving of more dense wrapping with filling by fine granules of emptiness between bigger granules, ranulometric composition of filler allows following ratio of fractions, % wt: 1.25-2.0 mm 50÷55, 0.63-1.25 mm 35÷40, 0.4-0.63 mm 5÷15.

EFFECT: increasing of specific content of active reagent in flux cored electrode.

5 cl, 1 tbl

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RU 2 342 443 C2

Authors

Kiverin Vjacheslav Leonidovich

Kunev Anatolij Ivanovich

Maksimov Sergej Viktorovich

Talanov Andrej Aleksandrovich

Fatkhlislamov Farid Faatovich

Chirkov Vladimir Aleksandrovich

Dates

2008-12-27Published

2006-10-02Filed