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2 255 983

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IPC

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Application

2003130357/02, 2003-10-14

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Start date

2003-10-14

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Actual filing date

2003-10-14

(45)

Published

2005-07-10

(72)

Inventor

Sulatskov V.I.Shamanov A.N.Roshchin V.E.Shakhmin S.I.Sudarenko V.S.Tsybulin V.V.Vlasov L.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Spetsial'Nogo Mashinostroenija I Metallurgii Zavody"Obshchestvo S Ogranichennoj Otvetstvennost'Ju Metallurgicheskij Zavod

METHOD OF MAKING HIGH-ALLOY STEEL Russian patent published in 2005 - IPC

Abstract RU 2255983 C1

FIELD: metallurgy.

SUBSTANCE: proposed method includes oxidizing smelting in one melting unit of liquid feed alloyed with non-oxidized elements which is decarburated to content of carbon of 0.03-0.08%. Liquid deoxidizing alloying component and synthetic slag at ratio of CaO to SiO₂ equal to 0.5-1.0 are molten in other melting unit. Then they are tapped to ladle to which liquid feed is poured; melt thus obtained is mixed and is subjected to treatment in steel complex treatment unit till required chemical composition has been obtained. This method is used for making complex high-alloy steels especially low-carbon steel at carbon content lesser than 0.10%.

EFFECT: reduction of labor consumption.

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	0		SU191599A1

RU 2 255 983 C1

Authors

Sulatskov V.I.

Shamanov A.N.

Roshchin V.E.

Shakhmin S.I.

Sudarenko V.S.

Tsybulin V.V.

Vlasov L.A.

Dates

2005-07-10—Published

2003-10-14—Filed