MANUFACTURE OF DIRECTLY-SOFTENED STEEL WIRE ROD
PURPOSE:To carry out the direct softening treatment of a steel wire rod by utilization of hot-rolling heat, by successively applying intermediate rolling, the primary finish rolling, the secondary finish rolling, and slow cooling to a roughed steel wire rod under specific conditions. CONSTITUTION:Af...
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| creator | HITOMI KIYOSHI MINE KIMIO HOSHINO TOSHIYUKI NODA AKIO |
| description | PURPOSE:To carry out the direct softening treatment of a steel wire rod by utilization of hot-rolling heat, by successively applying intermediate rolling, the primary finish rolling, the secondary finish rolling, and slow cooling to a roughed steel wire rod under specific conditions. CONSTITUTION:After roughed, the steel wire rod is subjected to intermediate rolling at a temp. in the temp. region of 700-850 deg.C at 20-80% draft. Subsequently, this wire rod is subjected to the primary finish rolling at a temp. in the temp. region of 700-850 deg.C to undergo acceleration of transformation into ferrite-pearlite phase as well as of refining of austenitic grain size, which is further subjected to the secondary finish rolling at a temp. in the temp. region of 650-750 deg.C at 20-60% draft, followed by slow cooling at |
| format | Patent |
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CONSTITUTION:After roughed, the steel wire rod is subjected to intermediate rolling at a temp. in the temp. region of 700-850 deg.C at 20-80% draft. Subsequently, this wire rod is subjected to the primary finish rolling at a temp. in the temp. region of 700-850 deg.C to undergo acceleration of transformation into ferrite-pearlite phase as well as of refining of austenitic grain size, which is further subjected to the secondary finish rolling at a temp. in the temp. region of 650-750 deg.C at 20-60% draft, followed by slow cooling at <=2 deg.C/sec cooling rate to undergo acceleration of transformation into ferrite-pearlite structure. In this way, directly-softened steel wire rod can be manufactured by the utilization of hot-rolling heat.</description><language>eng</language><subject>CHEMISTRY ; 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 ; PUNCHING METAL ; ROLLING OF METAL ; TRANSPORTING</subject><creationdate>1987</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=19871116&DB=EPODOC&CC=JP&NR=S62263923A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19871116&DB=EPODOC&CC=JP&NR=S62263923A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HITOMI KIYOSHI</creatorcontrib><creatorcontrib>MINE KIMIO</creatorcontrib><creatorcontrib>HOSHINO TOSHIYUKI</creatorcontrib><creatorcontrib>NODA AKIO</creatorcontrib><title>MANUFACTURE OF DIRECTLY-SOFTENED STEEL WIRE ROD</title><description>PURPOSE:To carry out the direct softening treatment of a steel wire rod by utilization of hot-rolling heat, by successively applying intermediate rolling, the primary finish rolling, the secondary finish rolling, and slow cooling to a roughed steel wire rod under specific conditions. CONSTITUTION:After roughed, the steel wire rod is subjected to intermediate rolling at a temp. in the temp. region of 700-850 deg.C at 20-80% draft. Subsequently, this wire rod is subjected to the primary finish rolling at a temp. in the temp. region of 700-850 deg.C to undergo acceleration of transformation into ferrite-pearlite phase as well as of refining of austenitic grain size, which is further subjected to the secondary finish rolling at a temp. in the temp. region of 650-750 deg.C at 20-60% draft, followed by slow cooling at <=2 deg.C/sec cooling rate to undergo acceleration of transformation into ferrite-pearlite structure. In this way, directly-softened steel wire rod can be manufactured by the utilization of hot-rolling heat.</description><subject>CHEMISTRY</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>PUNCHING METAL</subject><subject>ROLLING OF METAL</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1987</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZND3dfQLdXN0DgkNclXwd1Nw8QxydQ7xidQN9ncLcfVzdVEIDnF19VEIB4orBPm78DCwpiXmFKfyQmluBkU31xBnD93Ugvz41OKCxOTUvNSSeK-AYDMjIzNjSyNjR2Ni1AAAFv4mXg</recordid><startdate>19871116</startdate><enddate>19871116</enddate><creator>HITOMI KIYOSHI</creator><creator>MINE KIMIO</creator><creator>HOSHINO TOSHIYUKI</creator><creator>NODA AKIO</creator><scope>EVB</scope></search><sort><creationdate>19871116</creationdate><title>MANUFACTURE OF DIRECTLY-SOFTENED STEEL WIRE ROD</title><author>HITOMI KIYOSHI ; MINE KIMIO ; HOSHINO TOSHIYUKI ; NODA AKIO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS62263923A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1987</creationdate><topic>CHEMISTRY</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>PUNCHING METAL</topic><topic>ROLLING OF METAL</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>HITOMI KIYOSHI</creatorcontrib><creatorcontrib>MINE KIMIO</creatorcontrib><creatorcontrib>HOSHINO TOSHIYUKI</creatorcontrib><creatorcontrib>NODA AKIO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HITOMI KIYOSHI</au><au>MINE KIMIO</au><au>HOSHINO TOSHIYUKI</au><au>NODA AKIO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MANUFACTURE OF DIRECTLY-SOFTENED STEEL WIRE ROD</title><date>1987-11-16</date><risdate>1987</risdate><abstract>PURPOSE:To carry out the direct softening treatment of a steel wire rod by utilization of hot-rolling heat, by successively applying intermediate rolling, the primary finish rolling, the secondary finish rolling, and slow cooling to a roughed steel wire rod under specific conditions. CONSTITUTION:After roughed, the steel wire rod is subjected to intermediate rolling at a temp. in the temp. region of 700-850 deg.C at 20-80% draft. Subsequently, this wire rod is subjected to the primary finish rolling at a temp. in the temp. region of 700-850 deg.C to undergo acceleration of transformation into ferrite-pearlite phase as well as of refining of austenitic grain size, which is further subjected to the secondary finish rolling at a temp. in the temp. region of 650-750 deg.C at 20-60% draft, followed by slow cooling at <=2 deg.C/sec cooling rate to undergo acceleration of transformation into ferrite-pearlite structure. In this way, directly-softened steel wire rod can be manufactured by the utilization of hot-rolling heat.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY 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 PUNCHING METAL ROLLING OF METAL TRANSPORTING |
| title | MANUFACTURE OF DIRECTLY-SOFTENED STEEL WIRE ROD |
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