7Ni steel medium plate and production method and application thereof
The invention discloses a 7Ni steel medium plate and a production method and application thereof. The production method comprises the steps of molten iron pretreatment, converter smelting, LF and RH/VD refining, continuous casting, heating furnace heating, rolling, MULPIC cooling, finishing and heat...
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| creator | WU ZHONGWEN LI YIN ZHANG QINGXUE ZHOU WENHAO YU QING ZHANG JIMOU XIAO DAHENG DENG BIAO WANG HONGTAO GAO QING |
| description | The invention discloses a 7Ni steel medium plate and a production method and application thereof. The production method comprises the steps of molten iron pretreatment, converter smelting, LF and RH/VD refining, continuous casting, heating furnace heating, rolling, MULPIC cooling, finishing and heat treatment. The surface of the casting blank is ground, polished and sprayed with an anti-oxidation coating before being heated, and low-temperature steel burning of a heating furnace is combined, so that the oxide scale pressing-in and double skin defects on the surface of a steel plate are effectively reduced; the rough rolling process is large in rolling reduction, the finish rolling temperature is controlled in the finish rolling process, and the grain size is effectively controlled; a one-time quenching and tempering process is adopted in the heat treatment process, offline quenching is replaced by online quenching, the one-time quenching procedure is reduced compared with a conventional quenching, quenching a |
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The production method comprises the steps of molten iron pretreatment, converter smelting, LF and RH/VD refining, continuous casting, heating furnace heating, rolling, MULPIC cooling, finishing and heat treatment. The surface of the casting blank is ground, polished and sprayed with an anti-oxidation coating before being heated, and low-temperature steel burning of a heating furnace is combined, so that the oxide scale pressing-in and double skin defects on the surface of a steel plate are effectively reduced; the rough rolling process is large in rolling reduction, the finish rolling temperature is controlled in the finish rolling process, and the grain size is effectively controlled; a one-time quenching and tempering process is adopted in the heat treatment process, offline quenching is replaced by online quenching, the one-time quenching procedure is reduced compared with a conventional quenching, quenching a</description><language>chi ; eng</language><subject>ALLOYS ; BLASTING ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES ; FIXED-CAPACITY GAS-HOLDERS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; HEATING ; LIGHTING ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; MECHANICAL ENGINEERING ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; STORING OF DISTRIBUTING GASES OR LIQUIDS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS ; VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES ; WEAPONS</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=20240326&DB=EPODOC&CC=CN&NR=117758030A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240326&DB=EPODOC&CC=CN&NR=117758030A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WU ZHONGWEN</creatorcontrib><creatorcontrib>LI YIN</creatorcontrib><creatorcontrib>ZHANG QINGXUE</creatorcontrib><creatorcontrib>ZHOU WENHAO</creatorcontrib><creatorcontrib>YU QING</creatorcontrib><creatorcontrib>ZHANG JIMOU</creatorcontrib><creatorcontrib>XIAO DAHENG</creatorcontrib><creatorcontrib>DENG BIAO</creatorcontrib><creatorcontrib>WANG HONGTAO</creatorcontrib><creatorcontrib>GAO QING</creatorcontrib><title>7Ni steel medium plate and production method and application thereof</title><description>The invention discloses a 7Ni steel medium plate and a production method and application thereof. The production method comprises the steps of molten iron pretreatment, converter smelting, LF and RH/VD refining, continuous casting, heating furnace heating, rolling, MULPIC cooling, finishing and heat treatment. The surface of the casting blank is ground, polished and sprayed with an anti-oxidation coating before being heated, and low-temperature steel burning of a heating furnace is combined, so that the oxide scale pressing-in and double skin defects on the surface of a steel plate are effectively reduced; the rough rolling process is large in rolling reduction, the finish rolling temperature is controlled in the finish rolling process, and the grain size is effectively controlled; a one-time quenching and tempering process is adopted in the heat treatment process, offline quenching is replaced by online quenching, the one-time quenching procedure is reduced compared with a conventional quenching, quenching a</description><subject>ALLOYS</subject><subject>BLASTING</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES</subject><subject>FIXED-CAPACITY GAS-HOLDERS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>MECHANICAL ENGINEERING</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>STORING OF DISTRIBUTING GASES OR LIQUIDS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><subject>VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAx98tUKC5JTc1RyE1NySzNVSjISSxJVUjMS1EoKMpPKU0uyczPA8qVZOSngEUTCwpyMpMTwcIlGalFqflpPAysaYk5xam8UJqbQdHNNcTZQze1ID8-tbggMTk1L7Uk3tnP0NDc3NTCwNjA0ZgYNQCMbjKc</recordid><startdate>20240326</startdate><enddate>20240326</enddate><creator>WU ZHONGWEN</creator><creator>LI YIN</creator><creator>ZHANG QINGXUE</creator><creator>ZHOU WENHAO</creator><creator>YU QING</creator><creator>ZHANG JIMOU</creator><creator>XIAO DAHENG</creator><creator>DENG BIAO</creator><creator>WANG HONGTAO</creator><creator>GAO QING</creator><scope>EVB</scope></search><sort><creationdate>20240326</creationdate><title>7Ni steel medium plate and production method and application thereof</title><author>WU ZHONGWEN ; LI YIN ; ZHANG QINGXUE ; ZHOU WENHAO ; YU QING ; ZHANG JIMOU ; XIAO DAHENG ; DENG BIAO ; WANG HONGTAO ; GAO QING</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN117758030A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>ALLOYS</topic><topic>BLASTING</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES</topic><topic>FIXED-CAPACITY GAS-HOLDERS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>MECHANICAL ENGINEERING</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>STORING OF DISTRIBUTING GASES OR LIQUIDS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><topic>VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>WU ZHONGWEN</creatorcontrib><creatorcontrib>LI YIN</creatorcontrib><creatorcontrib>ZHANG QINGXUE</creatorcontrib><creatorcontrib>ZHOU WENHAO</creatorcontrib><creatorcontrib>YU QING</creatorcontrib><creatorcontrib>ZHANG JIMOU</creatorcontrib><creatorcontrib>XIAO DAHENG</creatorcontrib><creatorcontrib>DENG BIAO</creatorcontrib><creatorcontrib>WANG HONGTAO</creatorcontrib><creatorcontrib>GAO QING</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WU ZHONGWEN</au><au>LI YIN</au><au>ZHANG QINGXUE</au><au>ZHOU WENHAO</au><au>YU QING</au><au>ZHANG JIMOU</au><au>XIAO DAHENG</au><au>DENG BIAO</au><au>WANG HONGTAO</au><au>GAO QING</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>7Ni steel medium plate and production method and application thereof</title><date>2024-03-26</date><risdate>2024</risdate><abstract>The invention discloses a 7Ni steel medium plate and a production method and application thereof. The production method comprises the steps of molten iron pretreatment, converter smelting, LF and RH/VD refining, continuous casting, heating furnace heating, rolling, MULPIC cooling, finishing and heat treatment. The surface of the casting blank is ground, polished and sprayed with an anti-oxidation coating before being heated, and low-temperature steel burning of a heating furnace is combined, so that the oxide scale pressing-in and double skin defects on the surface of a steel plate are effectively reduced; the rough rolling process is large in rolling reduction, the finish rolling temperature is controlled in the finish rolling process, and the grain size is effectively controlled; a one-time quenching and tempering process is adopted in the heat treatment process, offline quenching is replaced by online quenching, the one-time quenching procedure is reduced compared with a conventional quenching, quenching a</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS BLASTING CHEMISTRY FERROUS OR NON-FERROUS ALLOYS FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS HEATING LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS STORING OF DISTRIBUTING GASES OR LIQUIDS TREATMENT OF ALLOYS OR NON-FERROUS METALS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS |
| title | 7Ni steel medium plate and production method and application thereof |
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