METHOD OF MELTING LOW-CARBON TITANIUM-CONTAINING STEEL

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 fo...

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Bibliographische Detailangaben
Hauptverfasser:	SENICHEV G.S, D'JACHENKO V.F, NIKOLAEV O.A, SARYCHEV A.F, STEPANOVA A.A, PAVLOV V.V, RASHNIKOV V.F, BODJAEV JU.A, IVIN JU.A
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	CHEMISTRY METALLURGY METALLURGY OF IRON PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
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Beschreibung
Zusammenfassung:	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. ^ 1 ex