ELECTROTECHNICAL STEEL PRODUCTION METHOD Russian patent published in 1995 - IPC

Abstract RU 2048545 C1

FIELD: metallurgy. SUBSTANCE: method provides for: smelting; hot rolling ( with end of rolling temperature t_e.r. of 1100 800 C and temperature of coiling below 700 C); cold rolling; recrystallizing, decarbonizing and high-temperature annealings. Cooling during rolled products feeding from temperature of end of rolling t_с to temperature of coiling t_e.r. is exercised according to following dependance: t_с, with l 2.14 logarithmic base; is path length from stand output, m; v_r speed of rolled products feeding, m/s; t time, s; l_t total path length from stand to coiler, m; K 0.4 0.6. EFFECT: method allows to produce electrotechnical steel with improved properties.

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RU 2 048 545 C1

Authors

Tsyrlin M.B.

Kavtrev V.M.

Zubrik V.A.

Lushnikov V.F.

Lozovoj V.N.

Dates

1995-11-20—Published

1993-03-16—Filed