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IPC

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Application

96114441/02, 1996-07-16

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Actual filing date

1996-07-16

(45)

Published

1999-01-10

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Inventor

Lebedev V.V.Safronova A.A.Ionov V.A.Sharapov A.Ju.Borisov V.I.Durynin V.A.Zatsepin V.G.Rivkin S.I.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Zavody"

STEEL KARTEKS 400 Russian patent published in 1999 - IPC

Abstract RU 2124575 C1

FIELD: metallurgy, in particular, steels used in mechanical engineering for manufacture of structures subject to impact-abrasive wear and operating at temperatures below minus 40 C. SUBSTANCE: steel KARTEKS 400 contains the following components, wt.%: carbon, 0.14-0.20; manganese, 1.3-1.7; silicon, 0.20-0.70; chromium, 0.3-0.8; nickel, 0.10-0.30; boron, 0.0005-0.005; aluminum, 0.014-0.042; copper, 0.1-0.3; calcium, 0.0065-0.075; nitrogen, 0.007-0.014; iron, the balance. Aluminum-nitrogen ratio is maintained within 2-3. Brittleness temperature of the steel is below minus 40 C. EFFECT: improved cold resistance with preservation of high hardness. 2 tbl

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RU 2 124 575 C1

Authors

Lebedev V.V.

Safronova A.A.

Ionov V.A.

Sharapov A.Ju.

Borisov V.I.

Durynin V.A.

Zatsepin V.G.

Rivkin S.I.

Dates

1999-01-10—Published

1996-07-16—Filed

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