STEEL Russian patent published in 2017 - IPC C22C38/06 

Abstract RU 2620232 C1

FIELD: metallurgy.

SUBSTANCE: steel contains following ratio of components, wt %: carbon 0.66-0.68, manganese 0.61-0.64, silicon 0.25-0.37, nitrogen 0.007-0.010, dissolved aluminium 0.02 -0.04, hydrogen 0.0005-0.0008, oxygen 0.0020-0.0030, iron is the rest. Ratio of hydrogen to oxygen (H/O) is not more than 0.30.

EFFECT: increased mechanical properties of steel, particularly its toughness.

2 tbl

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RU 2 620 232 C1

Authors

Astakhov Aleksandr Nikolaevich

Kuznetsov Denis Fedorovich

Lavrov Aleksandr Sergeevich

Sinelnikov Vyacheslav Alekseevich

Firsov Mikhail Vyacheslavovich

Dates

2017-05-23Published

2016-02-25Filed