Corrosion resistant steel with superfine bainite surface layers for ships and manufacturing method thereof

• Main Authors: SU HANG, WANG RUIZHEN, CHAI FENG, LI LI, WANG ZHUO, SHEN JUNCHANG, PAN TAO, LIANG FENGRUI, LUO XIAOBING, YANG CAIFU, XUE DONGMEI, CHEN XUEHUI, HOU YAQING
• Format: Patent
• Language: English
• Published: 25.03.2015
• Subjects: 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; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention provides corrosion resistant steel with superfine bainite surface layers for ships and a manufacturing method thereof, and belongs to the technical field of corrosion resistant steel for ships. The steel for cargo oil tanks contains 0.01-0.3% of C, 0.02-2% of Si, 0.1-2.0% of Mn, not la...