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Application

98117874/02, 1998-09-29

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Actual filing date

1998-09-29

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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.Kovaleva S.N.Gusev A.A.Falkon V.I.Shirokov V.A.Shpatov E.K.

(73)

Holder

Oao Cheljabinskij Metallurgicheskij Kombinat

FREE-CUTTING STEEL Russian patent published in 1999 - IPC

Abstract RU 2135626 C1

FIELD: metallurgy, particularly, sulfur-manganese free-cutting steel used in mechanical engineering. SUBSTANCE: steel contains the following components, , mas.%: carbon, 0.40-0.48; manganese, 1.35-1.65; sulfur, 024-0.35; phosphorus, 0.02-0.07; bismuth, 0.12-0.20; iron, the balance. EFFECT: higher machineability and rolling efficiency with preserved high level of mechanical properties and improved ecology in metallurgical industry. 2 tbl

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RU 2 135 626 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.

Kovaleva S.N.

Gusev A.A.

Falkon V.I.

Shirokov V.A.

Shpatov E.K.

Dates

1999-08-27—Published

1998-09-29—Filed

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