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2 139 354

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Application

98122600/02, 1998-12-15

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Start date

1998-12-15

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Actual filing date

1998-12-15

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Published

1999-10-10

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Inventor

Zaslavskij A.Ja.Vorob'Ev N.I.Jas'Kin V.N.Antonov V.I.Kuz'Kina N.N.Komel'Kov E.M.Rudnev E.V.Kovaleva S.N.Gusev A.A.

(73)

Holder

Oao Cheljabinskij Metallurgicheskij Kombinat

METHOD OF ALLOYING OF STRUCTURAL HIGHLY MACHINABLE STEELS WITH BISMUTH Russian patent published in 1999 - IPC

Abstract RU 2139354 C1

FIELD: ferrous metallurgy, particularly, production of highly machinable steels, more precisely, of alloyed free-cutting steels. SUBSTANCE: method includes introduction into metal stream of bismuth- containing alloy in form of bismuth-manganese alloy with the following amount of components, wt.%: bismuth 70-75; manganese 25-30. EFFECT: maximum reduction of bismuth losses, more uniform distribution of bismuth in ingot volume with the help of alloy containing no components which may affect steel chemical composition. 1 tbl

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RU 2 139 354 C1

Authors

Zaslavskij A.Ja.

Vorob'Ev N.I.

Jas'Kin V.N.

Antonov V.I.

Kuz'Kina N.N.

Komel'Kov E.M.

Rudnev E.V.

Kovaleva S.N.

Gusev A.A.

Dates

1999-10-10—Published

1998-12-15—Filed

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