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Application

2004102278/02, 2004-01-26

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Start date

2004-01-26

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Actual filing date

2004-01-26

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Published

2004-12-27

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Inventor

Bykovskij N.G.Potapov V.V.Olenin M.I.Volodin S.I.Baranov A.V.Morozov O.O.Povyshev I.A.Shmakov L.V.Denisov S.G.Urushev S.V.

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Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Konstruktsionnykh Materialov

SHAFT-LINE STEEL FOR ARCTIC VESSELS Russian patent published in 2004 - IPC

Abstract RU 2243285 C1

FIELD: metallurgy, in particular constructive steels.

SUBSTANCE: invention relates to constructive steels for manufacturing of high-safe shaft-lines for modern ships and arctic vessels. Claimed steel contains (mass %) carbon 0.32-0.38; silicium 0.2-0.37; manganese 0.25-0.45; chromium 1.2-1.5; nickel 1.2-1.5; copper 0.05-0.2; molybdenum 0.32-0.4; vanadium 0.1-0.3; aluminium 0.005-0.01; cerium 0.005-0.05; nitrogen 0.005-0.05; sulfur 0.005-0.020; and balance: iron, provided that total content of carbon and nitrogen is at most 0.4; total content of nickel and copper is at most 1.6; and total content of sulfur and phosphorus is at most 0.04.

EFFECT: ship's shaft-lines of improved maintainability and increased total operating reserve.

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RU 2 243 285 C1

Authors

Bykovskij N.G.

Potapov V.V.

Olenin M.I.

Volodin S.I.

Baranov A.V.

Morozov O.O.

Povyshev I.A.

Shmakov L.V.

Denisov S.G.

Urushev S.V.

Dates

2004-12-27—Published

2004-01-26—Filed