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2003134064/02, 2003-11-24

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2003-11-24

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2003-11-24

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2004-12-27

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Inventor

Rashnikov V.F.Senichev G.S.Bodjaev Ju.A.D'Jachenko V.F.Sarychev A.F.Nikolaev O.A.Pavlov V.V.Ivin Ju.A.Stepanova A.A.

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Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD OF MELTING LOW-CARBON TITANIUM-CONTAINING STEEL Russian patent published in 2004 - IPC

Abstract RU 2243269 C1

FIELD: ferrous metallurgy; making titanium-alloyed steels at low content of nitrogen.

SUBSTANCE: proposed method includes tapping of melt, introduction of deoxidizing agents, evacuation followed by introduction of titanium-containing ferroalloys in form of titanium-containing powder wire at the following relationship: Qp.wTi=100Qst (0.022-1.652 (Mn)+61.559 (S)+1.091(N)+7.585 (Al)+3.063 [Ti]reqo/[Ti]p.w, where Qp.wTi is consumption of powder wire with ferro-titanium filler (by filler), kg; Qst is mass of molten steel, t; (Mn), (S), (N), (Al) is content of magnese, sulfur, nitrogen and aluminum in sample of metal before introduction of powder wire, [Ti]reqo is required content of titanium in steel, %; [Ti]p.w is content of titanium in power wire, %.

EFFECT: low cost of process; increased yield of finished product; enhanced resistance of steel-teeming ladles; reduced content of non-metallic inclusions.

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RU 2 243 269 C1

Authors

Rashnikov V.F.

Senichev G.S.

Bodjaev Ju.A.

D'Jachenko V.F.

Sarychev A.F.

Nikolaev O.A.

Pavlov V.V.

Ivin Ju.A.

Stepanova A.A.

Dates

2004-12-27—Published

2003-11-24—Filed

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