Economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for hull structure and preparation method thereof
The invention relates to an economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for a hull structure and a preparation method of the economical low-segregation-degree high-homogeneity 355MPa-grade steel plate. The steel plate comprises the following chemical components in per...
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| creator | ZHOU YONGHAO CHEN LIANG SUN XIANJIN GE LIANG LIU GUANYOU |
| description | The invention relates to an economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for a hull structure and a preparation method of the economical low-segregation-degree high-homogeneity 355MPa-grade steel plate. The steel plate comprises the following chemical components in percentage by weight: 0.12-0.16% of C, 0.20-0.40% of Si, 0.80-1.20% of Mn, less than or equal to 0.010% of P, less than or equal to 0.0050% of S, 0.020-0.030% of Al, 0.010-0.020% of Ti and the balance of Fe and inevitable impurity elements. The carbon equivalent CEV is smaller than or equal to 0.34%, and the manufacturing technological process of the steel plate is a BOF converter-gt; lF refining-gt; performing RH vacuum degassing-gt; continuous casting-gt; heating-gt; and rolling. The prepared steel plate fully exerts the characteristics of low manufacturing cost, short production process and excellent plate shape under the conditions of high strength, high toughness and easy welding. The problems that the thin steel |
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The steel plate comprises the following chemical components in percentage by weight: 0.12-0.16% of C, 0.20-0.40% of Si, 0.80-1.20% of Mn, less than or equal to 0.010% of P, less than or equal to 0.0050% of S, 0.020-0.030% of Al, 0.010-0.020% of Ti and the balance of Fe and inevitable impurity elements. The carbon equivalent CEV is smaller than or equal to 0.34%, and the manufacturing technological process of the steel plate is a BOF converter-gt; lF refining-gt; performing RH vacuum degassing-gt; continuous casting-gt; heating-gt; and rolling. The prepared steel plate fully exerts the characteristics of low manufacturing cost, short production process and excellent plate shape under the conditions of high strength, high toughness and easy welding. The problems that the thin steel</description><language>chi ; eng</language><subject>ALLOYS ; CASTING ; CASTING OF METALS ; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ; 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 ; POWDER METALLURGY ; 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</subject><creationdate>2024</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240726&DB=EPODOC&CC=CN&NR=118389941A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240726&DB=EPODOC&CC=CN&NR=118389941A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHOU YONGHAO</creatorcontrib><creatorcontrib>CHEN LIANG</creatorcontrib><creatorcontrib>SUN XIANJIN</creatorcontrib><creatorcontrib>GE LIANG</creatorcontrib><creatorcontrib>LIU GUANYOU</creatorcontrib><title>Economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for hull structure and preparation method thereof</title><description>The invention relates to an economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for a hull structure and a preparation method of the economical low-segregation-degree high-homogeneity 355MPa-grade steel plate. The steel plate comprises the following chemical components in percentage by weight: 0.12-0.16% of C, 0.20-0.40% of Si, 0.80-1.20% of Mn, less than or equal to 0.010% of P, less than or equal to 0.0050% of S, 0.020-0.030% of Al, 0.010-0.020% of Ti and the balance of Fe and inevitable impurity elements. The carbon equivalent CEV is smaller than or equal to 0.34%, and the manufacturing technological process of the steel plate is a BOF converter-gt; lF refining-gt; performing RH vacuum degassing-gt; continuous casting-gt; heating-gt; and rolling. The prepared steel plate fully exerts the characteristics of low manufacturing cost, short production process and excellent plate shape under the conditions of high strength, high toughness and easy welding. The problems that the thin steel</description><subject>ALLOYS</subject><subject>CASTING</subject><subject>CASTING OF METALS</subject><subject>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>PERFORMING OPERATIONS</subject><subject>POWDER METALLURGY</subject><subject>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</subject><subject>PUNCHING METAL</subject><subject>ROLLING OF METAL</subject><subject>TRANSPORTING</subject><subject>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjTEKwkAURNNYiHqH7wG2CDGQlBIiNoqFffgkk92FTf6y2SAW3t0oHsBqhsfwZp286lZGGWzLjpw81AQdoDlaGVX36SBjtVFGBtEYYeOTsjy_3FjpwB1oioAj7ziCeglkZucWGOY2zgHEY0c-wHP4OmlANNJRNAiQfpusenYTdr_cJPtTfa_OCl4aTJ7b5TI21TVNi6woy0N6zP7ZvAFHfEhM</recordid><startdate>20240726</startdate><enddate>20240726</enddate><creator>ZHOU YONGHAO</creator><creator>CHEN LIANG</creator><creator>SUN XIANJIN</creator><creator>GE LIANG</creator><creator>LIU GUANYOU</creator><scope>EVB</scope></search><sort><creationdate>20240726</creationdate><title>Economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for hull structure and preparation method thereof</title><author>ZHOU YONGHAO ; CHEN LIANG ; SUN XIANJIN ; GE LIANG ; LIU GUANYOU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN118389941A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>ALLOYS</topic><topic>CASTING</topic><topic>CASTING OF METALS</topic><topic>CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>PERFORMING OPERATIONS</topic><topic>POWDER METALLURGY</topic><topic>PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OFWROUGHT-IRON OR STEEL</topic><topic>PUNCHING METAL</topic><topic>ROLLING OF METAL</topic><topic>TRANSPORTING</topic><topic>TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHOU YONGHAO</creatorcontrib><creatorcontrib>CHEN LIANG</creatorcontrib><creatorcontrib>SUN XIANJIN</creatorcontrib><creatorcontrib>GE LIANG</creatorcontrib><creatorcontrib>LIU GUANYOU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHOU YONGHAO</au><au>CHEN LIANG</au><au>SUN XIANJIN</au><au>GE LIANG</au><au>LIU GUANYOU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for hull structure and preparation method thereof</title><date>2024-07-26</date><risdate>2024</risdate><abstract>The invention relates to an economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for a hull structure and a preparation method of the economical low-segregation-degree high-homogeneity 355MPa-grade steel plate. The steel plate comprises the following chemical components in percentage by weight: 0.12-0.16% of C, 0.20-0.40% of Si, 0.80-1.20% of Mn, less than or equal to 0.010% of P, less than or equal to 0.0050% of S, 0.020-0.030% of Al, 0.010-0.020% of Ti and the balance of Fe and inevitable impurity elements. The carbon equivalent CEV is smaller than or equal to 0.34%, and the manufacturing technological process of the steel plate is a BOF converter-gt; lF refining-gt; performing RH vacuum degassing-gt; continuous casting-gt; heating-gt; and rolling. The prepared steel plate fully exerts the characteristics of low manufacturing cost, short production process and excellent plate shape under the conditions of high strength, high toughness and easy welding. The problems that the thin steel</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 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 POWDER METALLURGY 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 |
| title | Economical low-segregation-degree high-homogeneity 355MPa-grade steel plate for hull structure and preparation method thereof |
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