STEEL

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; mangane...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHERNJAKHOVSKIJ S.A, ZHIVOTOVSKAJA T.V, BATOV JU.M, SHCHAGINA N.E, LEBEDEV V.V
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	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