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2 544 981

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C1

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IPC

C22C38/60(2006-01-01)

(21) (22)

Application

2014108526/02, 2014-03-06

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Start date

2014-03-06

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Actual filing date

2014-03-06

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Published

2015-03-20

(72)

Inventor

Voloskov Aleksandr Dmitrievich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Metallurgicheskij Zavod"

MEDIUM-CARBON SCREW STEEL Russian patent published in 2015 - IPC C22C38/60 

Abstract RU 2544981 C1

FIELD: metallurgy.

SUBSTANCE: steel contains components in wt %: 0.32-0.42 C, max. 0.35 Si, 1.4-1.8 Mn, max. 0.04 P, 0.08-0.4 S, max. 0.03 Al, 0.03-0.12 Bi, 0.002-0.020 O, Fe and admixture - rest. Steel has uniformly distributed lightly deformed sulfide inclusions of ellipsoidal shape of 2.1-2.2 points.

EFFECT: manufactured steel has increased strength and increased cutability.

6 dwg, 2 tbl

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RU 2 544 981 C1

Authors

Voloskov Aleksandr Dmitrievich

Dates

2015-03-20—Published

2014-03-06—Filed

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