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2 558 790

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IPC

C22C38/06(2006-01-01)

(21) (22)

Application

2014131355/02, 2014-07-29

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Start date

2014-07-29

(22)

Actual filing date

2014-07-29

(45)

Published

2015-08-10

(72)

Inventor

Korobov Aleksandr Anatol'EvichLavrov Vladimir AleksandrovichLavrov Aleksandr SergeevichSinel'Nikov Vjacheslav AlekseevichTjulenev Evgenij Nikolaevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

LOW ALLOY STRUCTURAL STEEL Russian patent published in 2015 - IPC C22C38/06

Abstract RU 2558790 C1

FIELD: metallurgy.

SUBSTANCE: invention relates to metallurgy, namely to low alloy structural steel intended for the manufacture of metal structures. The steel contains, wt %: carbon 0.14-0.16, manganese 0.25-0.29, silicon 0.17-0.22, nitrogen 0.009-0.014, aluminium 0.029-0.043, iron and hydrogen- the rest. The ratio of aluminium/nitrogen amounts to 2.5-3.5, and the ratio of nitrogen/hydrogen amounts to no more than 30.

EFFECT: improvement of mechanical properties of steel.

2 tbl, 1 ex

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RU 2 558 790 C1

Authors

Korobov Aleksandr Anatol'Evich

Lavrov Vladimir Aleksandrovich

Lavrov Aleksandr Sergeevich

Sinel'Nikov Vjacheslav Alekseevich

Tjulenev Evgenij Nikolaevich

Dates

2015-08-10—Published

2014-07-29—Filed