STEEL Russian patent published in 2003 - IPC

Abstract RU 2196845 C2

FIELD: metallurgy. SUBSTANCE: invention relates to steel used in chemical machine engineering for making weld constructions working at temperature from -70 to +425 C. Invention proposes steel comprising components taken in the following ratio, weight %: carbon, 0.18-0.22; silicon, 0.20-0.40; manganese, 0.50-0.80; nickel, 0.05-0.40; chrome, 0.4, not above; vanadium, 0.02-0.05; aluminium, 0.01-0.04; calcium, 0.01-0.02; iron, the balance. EFFECT: enhanced strength, ductility and impact viscosity of steel. 1 tbl, 1 ex

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RU 2 196 845 C2

Authors

Lebedev V.V.

Zhivotovskaja T.V.

Chernjakhovskij S.A.

Batov Ju.M.

Shchagina N.E.

Dates

2003-01-20—Published

1999-04-27—Filed