Hot rolled steel strip suitable for direct hot charging production and used for automobile structure and preparation method of hot rolled steel strip
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...
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Main Authors | , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
12.05.2023
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Subjects | |
Online Access | Get full text |
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Summary: | 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 Si; 0.40% to 0.60% of Mn; 0 to 0.010 percent of S; 0 to 0.025 percent of P; 0.010% to 0.050% of Alt; 0 to 0.050 percent of Nb, Ti and V; 0-0.5% of impurities and the balance of Fe; the preparation method comprises the steps of primary smelting, primary alloying, refining, continuous casting, direct charging and hot delivery or hot charging and hot delivery and rolling. The preparation method of the hot rolled steel strip suitable for direct hot charging production and used for the automobile structure is high in operability, good in controllability and easy for industrial production, adopts a direct hot charging production process, is relatively high in production efficiency and relatively low in production cost, an |
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Bibliography: | Application Number: CN202310404696 |