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2 154 123

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IPC

(21) (22)

Application

99103277/02, 1999-02-18

(24)

Start date

1999-02-18

(22)

Actual filing date

1999-02-18

(45)

Published

2000-08-10

(72)

Inventor

Lisin V.S.Skorokhodov V.N.Nastich V.P.Kukartsev V.M.Barjatinskij V.P.Zakharov D.V.Larin Ju.I.Lebedev V.I.

(73)

Holder

Aktsionernoe Obshchestvo Metallurgicheskij Kombinat"

STEEL Russian patent published in 2000 - IPC

Abstract RU 2154123 C1

FIELD: metallurgy. SUBSTANCE: invention relates to the composition of structural low-carbon steel with enamel coat for cold stampings. Proposed steel has components in the following ratio, wt.%: carbon, 0.02-0.08; manganese, 0.2-0.6; silicon, 0.005-0.1; copper, 0.01-0.1; aluminium, 0.02-0.07; boron, 0.001-0.05; calcium, 0.0005-0.01; nitrogen, 0.001-0.006; vanadium, 0.0005-0.003; niobium, 0.0005-0.003; and iron, the balance. Total content of vanadium and niobium in steel is 0.0055 wt.%, not above. EFFECT: increased resistance to deformation of cold-rolled structural low-carbon steel, decreased sensitivity of steel to formation of "fish scale" defect in enamel coating. 2 tbl

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RU 2 154 123 C1

Authors

Lisin V.S.

Skorokhodov V.N.

Nastich V.P.

Kukartsev V.M.

Barjatinskij V.P.

Zakharov D.V.

Larin Ju.I.

Lebedev V.I.

Dates

2000-08-10—Published

1999-02-18—Filed