MANUFACTURE OF HOT-ROLLED HIGH-TENSILE STEEL PLATE HAVING DUAL-PHASE STRUCTURE AND EXCELLENT IN WORKABILITY
PURPOSE:To uniformly disperse a fine martensitic phase into the part corresponding to the lath of a tempered martensitic phase by subjecting a steel slab in which respective contents of C, Si, Mn, And Al are specified to hot rolling, cooling, reheating, and recooling under respectively prescribed co...
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| creator | MORITA MASAHIKO TOGASHI FUSAO |
| description | PURPOSE:To uniformly disperse a fine martensitic phase into the part corresponding to the lath of a tempered martensitic phase by subjecting a steel slab in which respective contents of C, Si, Mn, And Al are specified to hot rolling, cooling, reheating, and recooling under respectively prescribed conditions. CONSTITUTION:A steel slab having a composition containing, by weight, 0.05-0.3% C, |
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CONSTITUTION:A steel slab having a composition containing, by weight, 0.05-0.3% C, <=1% Si, 1-2.5% Mn, and 0.005-0.1% Al is prepared. This slab is hot-rolled at 800-1000 deg.C finishing temp., and the resulting hot rolled steel plate is cooled down to <=300 deg.C within 10sec at >=40 deg.C/S cooling rate and then reheated up to 725-840 deg.C and held for 5-200sec. Subsequently, the above plate is cooled at 3-50 deg.C/S cooling rate down to <=300 deg.C.</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>1990</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=19900709&DB=EPODOC&CC=JP&NR=H02175817A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19900709&DB=EPODOC&CC=JP&NR=H02175817A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MORITA MASAHIKO</creatorcontrib><creatorcontrib>TOGASHI FUSAO</creatorcontrib><title>MANUFACTURE OF HOT-ROLLED HIGH-TENSILE STEEL PLATE HAVING DUAL-PHASE STRUCTURE AND EXCELLENT IN WORKABILITY</title><description>PURPOSE:To uniformly disperse a fine martensitic phase into the part corresponding to the lath of a tempered martensitic phase by subjecting a steel slab in which respective contents of C, Si, Mn, And Al are specified to hot rolling, cooling, reheating, and recooling under respectively prescribed conditions. CONSTITUTION:A steel slab having a composition containing, by weight, 0.05-0.3% C, <=1% Si, 1-2.5% Mn, and 0.005-0.1% Al is prepared. This slab is hot-rolled at 800-1000 deg.C finishing temp., and the resulting hot rolled steel plate is cooled down to <=300 deg.C within 10sec at >=40 deg.C/S cooling rate and then reheated up to 725-840 deg.C and held for 5-200sec. Subsequently, the above plate is cooled at 3-50 deg.C/S cooling rate down to <=300 deg.C.</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>1990</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjEsKwjAUALtxIeodngcIWEXq9tm-NtGYhPTFz6oUiRtFC_X-qOgBXM1ihhkm1x2aUGLOwRPYEqRl4a3WVIBUlRRMplaaoGYiDU4jE0jcK1NBEVALJ7H-WB--CzQF0DGn98EwKAMH67e4VlrxaZwMLu2tj5MfR8m0JM6liN2jiX3XnuM9PpuNk7N5mi1XaYaLf5oXzUA2wQ</recordid><startdate>19900709</startdate><enddate>19900709</enddate><creator>MORITA MASAHIKO</creator><creator>TOGASHI FUSAO</creator><scope>EVB</scope></search><sort><creationdate>19900709</creationdate><title>MANUFACTURE OF HOT-ROLLED HIGH-TENSILE STEEL PLATE HAVING DUAL-PHASE STRUCTURE AND EXCELLENT IN WORKABILITY</title><author>MORITA MASAHIKO ; TOGASHI FUSAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH02175817A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1990</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>MORITA MASAHIKO</creatorcontrib><creatorcontrib>TOGASHI FUSAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MORITA MASAHIKO</au><au>TOGASHI FUSAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURE OF HOT-ROLLED HIGH-TENSILE STEEL PLATE HAVING DUAL-PHASE STRUCTURE AND EXCELLENT IN WORKABILITY</title><date>1990-07-09</date><risdate>1990</risdate><abstract>PURPOSE:To uniformly disperse a fine martensitic phase into the part corresponding to the lath of a tempered martensitic phase by subjecting a steel slab in which respective contents of C, Si, Mn, And Al are specified to hot rolling, cooling, reheating, and recooling under respectively prescribed conditions. CONSTITUTION:A steel slab having a composition containing, by weight, 0.05-0.3% C, <=1% Si, 1-2.5% Mn, and 0.005-0.1% Al is prepared. This slab is hot-rolled at 800-1000 deg.C finishing temp., and the resulting hot rolled steel plate is cooled down to <=300 deg.C within 10sec at >=40 deg.C/S cooling rate and then reheated up to 725-840 deg.C and held for 5-200sec. Subsequently, the above plate is cooled at 3-50 deg.C/S cooling rate down to <=300 deg.C.</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 | MANUFACTURE OF HOT-ROLLED HIGH-TENSILE STEEL PLATE HAVING DUAL-PHASE STRUCTURE AND EXCELLENT IN WORKABILITY |
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