MODIFIER WITH REFINEMENT EFFECT Russian patent published in 2009 - IPC C22C24/00 C21C1/10 C21C7/00 

Abstract RU 2364649 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy immediately dealing with extrafurnace refinement and modification of steel, cast iron and non-ferrous alloys. The modifier is represented by a dispersion product resulting from conversion of by-products of the ANP mineral fertiliser production, its chemical composition (wt %) being as follows: calcium carbonate - 90-94%; strontium carbonate - 2-5%; impurities represented by magnesium and barium carbonates and silica, titanium, aluminium and ferric oxides - balance.

EFFECT: invention provides for enhancement of mechanical properties and microstructural improvement of the alloys processed.

8 tbl, 1 ex

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RU 2 364 649 C1

Authors

Chajkin Andrej Vladimirovich

Chajkin Vladimir Andreevich

Kolokol'Tsev Valerij Mikhajlovich

Dates

2009-08-20Published

2007-12-26Filed