METHOD OF PRODUCTION OF HOT-ROLLED STRIPS Russian patent published in 2003 - IPC

Abstract RU 2202630 C2

FIELD: metallurgy; production of hot-rolled strips from super-low-carbon steel at high drawing properties for cold stamping. SUBSTANCE: proposed method includes making super-low-carbon steel with sulfur and nitrogen admixtures which is alloyed by titanium, followed by hot rolling and cooling. Content of components of steel satisfies the following relationship: Ti(4.C + 3.43.N + 1.5.S) = 1 to 1.5. Rolling is completed at temperature of 885-915 C, cooling is performed to temperature of 685- 715 C, after which strips are subjected to skin rolling at cogging to 0.8- 1.2%. EFFECT: enhanced efficiency. 1 tbl, 1 ex

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RU 2 202 630 C2

Authors

Stepanov A.A.

Lamukhin A.M.

Stepanenko V.V.

Kuznetsov V.V.

Zinchenko S.D.

Baldaev B.Ja.

Ordin V.G.

Dolgikh O.V.

Rjabinkova V.K.

Trajno A.I.

Ovchinnikov V.I.

Titov V.A.

Dates

2003-04-20Published

2001-07-23Filed