LOW-CRACK-SENSITIVITY AND LOW-YIELD-RATIO ULTRA-THICK STEEL PLATE AND PREPARATION METHOD THEREFOR
An ultra-heavy steel plate with low cracking sensitivity and low yield ratio, the mass percentages of chemical components of the steel plate are C 0.05-0.09; Si 0.2-0.4; Mn 1.3-1.6; Al 0.02-0.04; Nb 0.03-0.08; V 0.03-0.08; Cr 0.1-0.5; Ni 0.1-0.5; Mo 0.1-0.3; Cu 0.2-0.5; Ti 0.01-0.02; P≤0.015; S≤0.00...
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| creator | HU, Jianguo LI, Jingtao WU, Xiaolin SHI, Ailai ZHAO, Fu XU, Feng SUN, Xianjin GAO, Zhuzhong FANG, Shouyu MIAO, Pifeng |
| description | An ultra-heavy steel plate with low cracking sensitivity and low yield ratio, the mass percentages of chemical components of the steel plate are C 0.05-0.09; Si 0.2-0.4; Mn 1.3-1.6; Al 0.02-0.04; Nb 0.03-0.08; V 0.03-0.08; Cr 0.1-0.5; Ni 0.1-0.5; Mo 0.1-0.3; Cu 0.2-0.5; Ti 0.01-0.02; P≤0.015; S≤0.003; N≤0.007, the balance being Fe and inevitable impurities; the carbon equivalent is ≤0.43, the cold cracking sensitivity coefficient Pcm is ≤0.20. A low cracking sensitivity and low yield ratio steel plate with a thickness of 40-70 mm is manufactured by the process steps of KR molten iron pretreatment-converter smelting-LF refining-RH vacuum degassing-continuous casting-lid-covering slow cooling for the continuous casting slabs-casting slabs heating-controlled rolling-controlled cooling-hot straightening-air cooling and so on. |
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A low cracking sensitivity and low yield ratio steel plate with a thickness of 40-70 mm is manufactured by the process steps of KR molten iron pretreatment-converter smelting-LF refining-RH vacuum degassing-continuous casting-lid-covering slow cooling for the continuous casting slabs-casting slabs heating-controlled rolling-controlled cooling-hot straightening-air cooling and so on.</description><language>eng</language><subject>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 ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2018</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=20180607&DB=EPODOC&CC=US&NR=2018155810A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180607&DB=EPODOC&CC=US&NR=2018155810A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HU, Jianguo</creatorcontrib><creatorcontrib>LI, Jingtao</creatorcontrib><creatorcontrib>WU, Xiaolin</creatorcontrib><creatorcontrib>SHI, Ailai</creatorcontrib><creatorcontrib>ZHAO, Fu</creatorcontrib><creatorcontrib>XU, Feng</creatorcontrib><creatorcontrib>SUN, Xianjin</creatorcontrib><creatorcontrib>GAO, Zhuzhong</creatorcontrib><creatorcontrib>FANG, Shouyu</creatorcontrib><creatorcontrib>MIAO, Pifeng</creatorcontrib><title>LOW-CRACK-SENSITIVITY AND LOW-YIELD-RATIO ULTRA-THICK STEEL PLATE AND PREPARATION METHOD THEREFOR</title><description>An ultra-heavy steel plate with low cracking sensitivity and low yield ratio, the mass percentages of chemical components of the steel plate are C 0.05-0.09; Si 0.2-0.4; Mn 1.3-1.6; Al 0.02-0.04; Nb 0.03-0.08; V 0.03-0.08; Cr 0.1-0.5; Ni 0.1-0.5; Mo 0.1-0.3; Cu 0.2-0.5; Ti 0.01-0.02; P≤0.015; S≤0.003; N≤0.007, the balance being Fe and inevitable impurities; the carbon equivalent is ≤0.43, the cold cracking sensitivity coefficient Pcm is ≤0.20. A low cracking sensitivity and low yield ratio steel plate with a thickness of 40-70 mm is manufactured by the process steps of KR molten iron pretreatment-converter smelting-LF refining-RH vacuum degassing-continuous casting-lid-covering slow cooling for the continuous casting slabs-casting slabs heating-controlled rolling-controlled cooling-hot straightening-air cooling and so on.</description><subject>ALLOYS</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>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNyrEKwjAQgOEuDqK-w4FzoFEKXY_kSkJjU5JrpVMpEifRQn1_xOIDOP3D_22zyfmrUAFVLSI10bLtLQ-AjYbvGSw5LQKy9dA5DijYWFVDZCIHrUOm1baBWlxZAxdi4zWwoUCVD_tsc58eSzr8usuOFbEyIs2vMS3zdEvP9B67eMplKYuilDnK83_qA6fgNN0</recordid><startdate>20180607</startdate><enddate>20180607</enddate><creator>HU, Jianguo</creator><creator>LI, Jingtao</creator><creator>WU, Xiaolin</creator><creator>SHI, Ailai</creator><creator>ZHAO, Fu</creator><creator>XU, Feng</creator><creator>SUN, Xianjin</creator><creator>GAO, Zhuzhong</creator><creator>FANG, Shouyu</creator><creator>MIAO, Pifeng</creator><scope>EVB</scope></search><sort><creationdate>20180607</creationdate><title>LOW-CRACK-SENSITIVITY AND LOW-YIELD-RATIO ULTRA-THICK STEEL PLATE AND PREPARATION METHOD THEREFOR</title><author>HU, Jianguo ; LI, Jingtao ; WU, Xiaolin ; SHI, Ailai ; ZHAO, Fu ; XU, Feng ; SUN, Xianjin ; GAO, Zhuzhong ; FANG, Shouyu ; MIAO, Pifeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2018155810A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</creationdate><topic>ALLOYS</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>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>HU, Jianguo</creatorcontrib><creatorcontrib>LI, Jingtao</creatorcontrib><creatorcontrib>WU, Xiaolin</creatorcontrib><creatorcontrib>SHI, Ailai</creatorcontrib><creatorcontrib>ZHAO, Fu</creatorcontrib><creatorcontrib>XU, Feng</creatorcontrib><creatorcontrib>SUN, Xianjin</creatorcontrib><creatorcontrib>GAO, Zhuzhong</creatorcontrib><creatorcontrib>FANG, Shouyu</creatorcontrib><creatorcontrib>MIAO, Pifeng</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HU, Jianguo</au><au>LI, Jingtao</au><au>WU, Xiaolin</au><au>SHI, Ailai</au><au>ZHAO, Fu</au><au>XU, Feng</au><au>SUN, Xianjin</au><au>GAO, Zhuzhong</au><au>FANG, Shouyu</au><au>MIAO, Pifeng</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>LOW-CRACK-SENSITIVITY AND LOW-YIELD-RATIO ULTRA-THICK STEEL PLATE AND PREPARATION METHOD THEREFOR</title><date>2018-06-07</date><risdate>2018</risdate><abstract>An ultra-heavy steel plate with low cracking sensitivity and low yield ratio, the mass percentages of chemical components of the steel plate are C 0.05-0.09; Si 0.2-0.4; Mn 1.3-1.6; Al 0.02-0.04; Nb 0.03-0.08; V 0.03-0.08; Cr 0.1-0.5; Ni 0.1-0.5; Mo 0.1-0.3; Cu 0.2-0.5; Ti 0.01-0.02; P≤0.015; S≤0.003; N≤0.007, the balance being Fe and inevitable impurities; the carbon equivalent is ≤0.43, the cold cracking sensitivity coefficient Pcm is ≤0.20. A low cracking sensitivity and low yield ratio steel plate with a thickness of 40-70 mm is manufactured by the process steps of KR molten iron pretreatment-converter smelting-LF refining-RH vacuum degassing-continuous casting-lid-covering slow cooling for the continuous casting slabs-casting slabs heating-controlled rolling-controlled cooling-hot straightening-air cooling and so on.</abstract><oa>free_for_read</oa></addata></record> |
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| 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 TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | LOW-CRACK-SENSITIVITY AND LOW-YIELD-RATIO ULTRA-THICK STEEL PLATE AND PREPARATION METHOD THEREFOR |
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