Production method of Q420-grade high-corrosion-resistance high-strength offshore structural steel

The invention discloses a production method of Q420-grade offshore structural steel with high corrosion resistance and high strength. The production method comprises the process steps of molten iron pretreatment, converter steelmaking, external refining LF, vacuum treatment RH, continuous casting, h...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN ZHIBIN, WANG SHUANGSHUANG, YAO SHUANG, LIU JUN, ZHOU WENHAO, GE JINJING, CAO BO, PENG NINGQI, GUO ZEYAO, DING XINGYAN, YUAN QIAOJUN
Format:	Patent
Sprache:	chi ; eng
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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