METHOD OF ALLOYING STEEL Russian patent published in 2003 - IPC

Abstract RU 2218421 C1

FIELD: ferrous metallurgy; alloying steel in steel-teeming ladle. SUBSTANCE: proposed method includes application of aluminum- containing material layer on surfaces of ferro-alloy lumps. Alloying element is dissolved in local zone at reduced content of oxygen separated from volume of metal by aluminum-containing material; it exceeds sizes of ferro-alloy lumps by 0.1-17.5 mm. Size of local zones formed in metal melt is adjusted by change of thickness of layer of aluminum containing material applied on surfaces of ferro-allot lumps. EFFECT: reduction of consumption of alloying elements; enhanced stability of process. 1 dwg, 2 tbl

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RU 2 218 421 C1

Authors

Isaev G.A.

Kudrin V.A.

Isaev P.G.

Dates

2003-12-10—Published

2002-03-07—Filed