HOT-ROLLED HIGH-TOUGHNESS AND LOW-TEMPERATURE-RESISTANT H-SHAPED STEEL WITH YIELD STRENGTH OF 460 MPA AND PREPARATION METHOD THEREFOR

A yield strength 460 MPa grade hot-rolled high-toughness low-temperatureresistant H-beam, the weight percentage of the chemical components thereof being: C: 0.03%-0.07% Si≤3%, Mn: 1.20%-1.40%, Nb: 0.015%-0.030%, V: 0.10%-0.15%, Ti: 0.015%-0.025%, Ni: 0.25%-0.45%, Cr: 0.30%-0.50%, Als: 0.01%-0.06%, N...

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Bibliographische Detailangaben
Hauptverfasser:	GUO, Weida, LI, Chao, WU, Yuli, ZHAO, Chuandong, ZHAO, Peilin, GUO, Xiuhui, WANG, Zhongxue, FANG, Jinlin, HAN, Wenxi, YANG, Dong
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A yield strength 460 MPa grade hot-rolled high-toughness low-temperatureresistant H-beam, the weight percentage of the chemical components thereof being: C: 0.03%-0.07% Si≤3%, Mn: 1.20%-1.40%, Nb: 0.015%-0.030%, V: 0.10%-0.15%, Ti: 0.015%-0.025%, Ni: 0.25%-0.45%, Cr: 0.30%-0.50%, Als: 0.01%-0.06%, N: 0.010%-0.023%, P≤0.015%, S≤0.010%, and 0