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2 222 631

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IPC

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Application

2002122420/02, 2002-08-21

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Start date

2002-08-21

(22)

Actual filing date

2002-08-21

(45)

Published

2004-01-27

(72)

Inventor

Nakonechnyj Anatolij JakovlevichUrtsev V.N.Khabibulin D.M.Anikeev S.N.Platov S.I.

(73)

Holder

Ooo Stil"

BRIDGE ENGINEERING STEEL Russian patent published in 2004 - IPC

Abstract RU 2222631 C1

FIELD: ferrous metallurgy. SUBSTANCE: invention provides steel intended for use in manufacture of metalware in welding-assisted construction of bridges. Steel is composed, wt %: carbon 0.03- 0.10, manganese 1.0-1.2, silicon 0.03-0.10, copper 0.7-0.8, nickel 0,7-0.8, sulfur ≤ 0.010, phosphorus ≤ 0.010, vanadium 0.05-0.10, titanium 0.01-0.08, and iron the balance. EFFECT: improved mechanical properties during mounting and operation periods under negative temperature conditions. 2 tbl

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RU 2 222 631 C1

Authors

Nakonechnyj Anatolij Jakovlevich

Urtsev V.N.

Khabibulin D.M.

Anikeev S.N.

Platov S.I.

Dates

2004-01-27—Published

2002-08-21—Filed