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2 016 131

(13)

C1

(51)

IPC

(21) (22)

Application

5058200/02, 1992-08-31

(22)

Actual filing date

1992-08-31

(45)

Published

1994-07-15

(72)

Inventor

Lebedev V.V.Safronova A.A.Sobolev M.Ju.Gurevich A.B.Efimova V.I.Miljakova L.A.

(73)

Holder

Aktsionernoe Obshchestvo Zavody"

STEEL Russian patent published in 1994 - IPC

Abstract RU 2016131 C1

FIELD: ferrous metallurgy. SUBSTANCE: the steel further comprises aluminium, nitrogen, calcium, zirconium, the ratio of the components being as follows (wt %): 0.35-0.40; 0.50-0.70 manganeses; 0.17-0.37 silicon; 1.40-1.70 chromium; 2.30-2.60 nickel; 0.20-0.40 molybdenum; 0.15-0.25 vanadium; 0.020-0.045 aluminium; 0.005-0.010 nitrogen; 0.005-0.10 calcium; 0.005-0.010 zirconium; and iron, the balance. EFFECT: improved strength with the impact viscosity level maintained. 2 tbl

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RU 2 016 131 C1

Authors

Lebedev V.V.

Safronova A.A.

Sobolev M.Ju.

Gurevich A.B.

Efimova V.I.

Miljakova L.A.

Dates

1994-07-15—Published

1992-08-31—Filed

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