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2 016 681

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IPC

(21) (22)

Application

93002676/27, 1993-01-14

(22)

Actual filing date

1993-01-14

(45)

Published

1994-07-30

(72)

Inventor

Bukhteev V.G.Kuznetsov I.S.Saprykin V.A.Golubev V.M.Maslakov A.A.Rubtsov Ju.T.Bespalov V.N.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

METHOD FOR MAKING WORKPIECES FROM KILLED CARBON LOW-ALLOYED AND ALLOYED STEELS Russian patent published in 1994 - IPC

Abstract RU 2016681 C1

FIELD: metallurgy. SUBSTANCE: method involves melting and pouring steel into molds, heating ingots prior to rolling from 400-965 C to 1240-1310 C for 4.5-11.6 hrs, subsequent rolling to intermediate section by reducing it 14-23% at first passes followed by separate reduction of 13-23% and final rolling to required size for 8-14 passes with separate reduction by 3-14% of the total squeezing at the face of the ingot. Ingots are rolled to intermediate section by a total reduction of 69-71%, whereas the final rolling in the second pass is executed with full expansion. EFFECT: enhanced efficiency of the method. 1 tbl

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RU 2 016 681 C1

Authors

Bukhteev V.G.

Kuznetsov I.S.

Saprykin V.A.

Golubev V.M.

Maslakov A.A.

Rubtsov Ju.T.

Bespalov V.N.

Dates

1994-07-30—Published

1993-01-14—Filed