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2 250 272

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IPC

(21) (22)

Application

2003126934/02, 2003-09-05

(24)

Start date

2003-09-05

(22)

Actual filing date

2003-09-05

(45)

Published

2005-04-20

(72)

Inventor

Polinets V.A.Novikova T.V.Polinets D.V.Chernyshov E.Ja.Baldin V.S.Bratko G.A.

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Nauchno-Proizvodstvennaja Innovatsionnaja Firma

FERRITE STAINLESS STEEL Russian patent published in 2005 - IPC

Abstract RU 2250272 C1

FIELD: steel making.

SUBSTANCE: invention relates to steels for pipe-welding industry, whose produce is appropriate in food-processing industry, chemical industry, agriculture, and motor car construction, for example in manufacture of teet cup cartridges and automotive muffler parts. Steel contains following components, wt %: carbon 0.01-0.05, silicon 0.01-0.8. manganese 0.1-0.8. chromium 13.0-18.0, titanium 0.05-0.5, aluminum 0.01-0.1, calcium 0.001-0.02, zirconium 0.005-0.035, nitrogen 0.001-0.025, boron 0.0003-0.005, barium 0.001-0.1, magnesium 0.001-0.02, rare-earth metals 0.001-0.05, nickel 0.1-0.95, vanadium 0.01-0.35, molybdenum 0.01-0.5, tungsten 0.01-0.3, and iron - the balance.

EFFECT: increased plasticity and yield limit thereby contributing to increased pipe-welding productivity.

2 tbl

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RU 2 250 272 C1

Authors

Polinets V.A.

Novikova T.V.

Polinets D.V.

Chernyshov E.Ja.

Baldin V.S.

Bratko G.A.

Dates

2005-04-20—Published

2003-09-05—Filed