STEEL Russian patent published in 2007 - IPC C22C38/14 C22C38/04 

Abstract RU 2303647 C2

FIELD: ferrous metallurgy.

SUBSTANCE: invention relates to producing low-alloy steel for making building constructions. The proposed steel comprises the following components, wt.-%: carbon, from 0.01 to less 0.05; manganese, 1.30-1.70; silicon, 0.50-0.80; aluminum, 0.021-0.050; chrome, 0.01-0.30; nickel, 0.01-0.30; copper, 0.01-0.30; nitrogen, 0.013-0.026; vanadium, 0.091-0.12; calcium, 0.001-0.006; titanium, 0.001-0.01, and iron, the balance. Invention provides enhancing the strength properties of steel corresponding to the highest class of strength and cold strength.

EFFECT: improved and valuable properties of steel.

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RU 2 303 647 C2

Authors

Vorozhishchev Vladimir Ivanovich

Pavlov Vjacheslav Vladimirovich

Devjatkin Jurij Dmitrievich

Pjatajkin Evgenij Mikhajlovich

Kozyrev Nikolaj Anatol'Evich

Krupenkov Viktor Ivanovich

Danilov Aleksandr Petrovich

Shcheglova Alla Borisovna

Atkonova Ol'Ga Petrovna

Tarasova Galina Nikolaevna

Dates

2007-07-27Published

2005-06-14Filed