Hot rolled steel strip suitable for direct hot charging production and used for automobile structure and preparation method of hot rolled steel strip

• Main Authors: TANG XIAOYONG, NI XIN, ZHANG BORUI, XU YONGHENG, ZHOU YANJUAN, YANG SUOBING, LI ZHIWEI, OUYANG WEI
• Format: Patent
• Language: Chinese; English
• Published: 12.05.2023
• 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; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; PERFORMING OPERATIONS; PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention provides a hot-rolled steel strip for an automobile structure suitable for direct hot charging production and a preparation method of the hot-rolled steel strip, and the hot-rolled steel strip comprises the following components in percentage by weight: 0.05-0.09% of C; 0.05%-0.15% of S...