PROCEDURE FOR MELTING HOLLOW INGOTS OF TITAN AND BORON CONTAINING GRADES OF STEEL BY METHOD OF ESR (ELECTRO-SLAG RE-MELTING) Russian patent published in 2011 - IPC C22B9/18 

Abstract RU 2423536 C1

FIELD: metallurgy.

SUBSTANCE: procedure consists in re-melting consumable electrode in movable crystalliser with mandrel in main flux containing, wt %: calcium fluoride 54-56, aluminium oxide 18-20, calcium oxide 10-12, magnesium oxide 8-10, titanium dioxide 6-8 and additional having following composition, wt %: calcium fluoride 52-54, aluminium oxide 30-33, magnesium oxide 14-16.

EFFECT: production of qualitative metal titan and boron containing grades of steel with uniform distribution of elements by height of ingot.

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RU 2 423 536 C1

Authors

Pavlova Natal'Ja Petrovna

Demidov Vladimir Aleksandrovich

Polovinkin Valerij Nikolaevich

Dates

2011-07-10Published

2009-12-28Filed