THICK-WALLED HIGH-STRENGTH HOT-ROLLED STEEL PLATE WITH EXCELLENT LOW-TEMPERATURE IMPACT STRENGTH AND ITS PRODUCTION METHOD

FIELD: metallurgy.SUBSTANCE: steel which contains the following, wt %, is heated: 0.02-0.08 of C, 0.01-0.50 of Si, 0.5-1.8 of Mn, 0.025 or less of P, 0.005 or less of S, 0.005-0.10 of Al, 0.01-0.10 of Nb, 0.001-0.05 of Ti, the rest is Fe and inevitable impurities, at that content of C, Ti and Nb com...

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Bibliographische Detailangaben
Hauptverfasser:	NAKATA KHIROSI, NAKAGAVA KIN'JA, KAMI TIKARA
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Zusammenfassung:	FIELD: metallurgy.SUBSTANCE: steel which contains the following, wt %, is heated: 0.02-0.08 of C, 0.01-0.50 of Si, 0.5-1.8 of Mn, 0.025 or less of P, 0.005 or less of S, 0.005-0.10 of Al, 0.01-0.10 of Nb, 0.001-0.05 of Ti, the rest is Fe and inevitable impurities, at that content of C, Ti and Nb complies with the ratio (Ti + (Nb / 2)) / C