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Application

98101666/02, 1998-01-22

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Actual filing date

1998-01-22

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Published

1999-08-27

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Inventor

Toporishchev I.G.Zaslavskij A.Ja.Vorob'Ev N.I.Komel'Kov E.M.Rudnev E.V.Antonov V.I.Jas'Kin V.N.Pumpjanskij D.A.Kovaleva S.N.Gusev A.A.Falkon V.I.Shirokov V.A.Shpatov E.K.

(73)

Holder

Oao Cheljabinskij Metallurgicheskij Kombinat

FREE-CUTTING ALLOYED STEEL Russian patent published in 1999 - IPC

Abstract RU 2135624 C1

FIELD: metallurgy, particularly, free-cutting alloyed steel used in mechanical engineering. SUBSTANCE: steel contains the following components, mas. %: carbon, 0.27-0.33; silicon, 0.17-0.37; manganese, 0.50-0.80; chromium, 0.80-1.10; molybdenum, 0.15-0.25; sulphur, 0.035-0.070; bismuth, 0.12-0.20; calcium, 0.03-0.09; iron, the balance. EFFECT: higher machineability, reduced surface roughness of parts in metal working industry, increased efficiency and safety in rolling with improved ecology in metallurgical industry. 2 tbl

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RU 2 135 624 C1

Authors

Toporishchev I.G.

Zaslavskij A.Ja.

Vorob'Ev N.I.

Komel'Kov E.M.

Rudnev E.V.

Antonov V.I.

Jas'Kin V.N.

Pumpjanskij D.A.

Kovaleva S.N.

Gusev A.A.

Falkon V.I.

Shirokov V.A.

Shpatov E.K.

Dates

1999-08-27—Published

1998-01-22—Filed

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