Manufacturing process of high-carbon tool steel SK85 cold-rolled wide steel strip
The invention discloses a manufacturing process of a high-carbon tool steel SK85 cold-rolled wide steel strip. The process is characterized in that steel is subjected to converter smelting, LF furnacerefining and slab continuous casting to obtain continuous casting slabs with the thickness ranging f...
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| creator | FENG XIAOMING TANG XIAOYONG RUAN XIBAO LYU RUIGUO PENG YINGFENG WANG TINGHUA YANG FAN LIU ZHIFANG LI XIAOQING ZHONG XIAOJIE LENG YEMIN GUAN XINGWEI LI MINGFA LIU TAO XIA XUESHENG SHU XIN YU JIANLIN LI LEI |
| description | The invention discloses a manufacturing process of a high-carbon tool steel SK85 cold-rolled wide steel strip. The process is characterized in that steel is subjected to converter smelting, LF furnacerefining and slab continuous casting to obtain continuous casting slabs with the thickness ranging from 210 mm to 230 mm, the continuous casting slabs are heated and subjected to hot continuous rolling and laminar cooling to reach the coiling temperature, a hot-rolled wide steel strip with the thickness ranging from 2.5 mm to 6.0 mm is obtained, the coiled hot-rolled wide steel strip is put in storage and slowly cooled to the room temperature, and the obtained metallographic structure is thin-sheet-shaped pearlite; the total reduction of first cold rolling is controlled to be 20%-50% after acid pickling of the hot-rolled wide steel strip, then spheroidizing annealing is conducted, the Vickers hardness HV5 is 180 or below, and the spheroidizing rate is 92% or above; after the steel strip is subjected to primary sp |
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The process is characterized in that steel is subjected to converter smelting, LF furnacerefining and slab continuous casting to obtain continuous casting slabs with the thickness ranging from 210 mm to 230 mm, the continuous casting slabs are heated and subjected to hot continuous rolling and laminar cooling to reach the coiling temperature, a hot-rolled wide steel strip with the thickness ranging from 2.5 mm to 6.0 mm is obtained, the coiled hot-rolled wide steel strip is put in storage and slowly cooled to the room temperature, and the obtained metallographic structure is thin-sheet-shaped pearlite; the total reduction of first cold rolling is controlled to be 20%-50% after acid pickling of the hot-rolled wide steel strip, then spheroidizing annealing is conducted, the Vickers hardness HV5 is 180 or below, and the spheroidizing rate is 92% or above; after the steel strip is subjected to primary sp</description><language>chi ; eng</language><subject>CHEMISTRY ; 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</subject><creationdate>2020</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=20200324&DB=EPODOC&CC=CN&NR=110904319A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200324&DB=EPODOC&CC=CN&NR=110904319A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FENG XIAOMING</creatorcontrib><creatorcontrib>TANG XIAOYONG</creatorcontrib><creatorcontrib>RUAN XIBAO</creatorcontrib><creatorcontrib>LYU RUIGUO</creatorcontrib><creatorcontrib>PENG YINGFENG</creatorcontrib><creatorcontrib>WANG TINGHUA</creatorcontrib><creatorcontrib>YANG FAN</creatorcontrib><creatorcontrib>LIU ZHIFANG</creatorcontrib><creatorcontrib>LI XIAOQING</creatorcontrib><creatorcontrib>ZHONG XIAOJIE</creatorcontrib><creatorcontrib>LENG YEMIN</creatorcontrib><creatorcontrib>GUAN XINGWEI</creatorcontrib><creatorcontrib>LI MINGFA</creatorcontrib><creatorcontrib>LIU TAO</creatorcontrib><creatorcontrib>XIA XUESHENG</creatorcontrib><creatorcontrib>SHU XIN</creatorcontrib><creatorcontrib>YU JIANLIN</creatorcontrib><creatorcontrib>LI LEI</creatorcontrib><title>Manufacturing process of high-carbon tool steel SK85 cold-rolled wide steel strip</title><description>The invention discloses a manufacturing process of a high-carbon tool steel SK85 cold-rolled wide steel strip. 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The process is characterized in that steel is subjected to converter smelting, LF furnacerefining and slab continuous casting to obtain continuous casting slabs with the thickness ranging from 210 mm to 230 mm, the continuous casting slabs are heated and subjected to hot continuous rolling and laminar cooling to reach the coiling temperature, a hot-rolled wide steel strip with the thickness ranging from 2.5 mm to 6.0 mm is obtained, the coiled hot-rolled wide steel strip is put in storage and slowly cooled to the room temperature, and the obtained metallographic structure is thin-sheet-shaped pearlite; the total reduction of first cold rolling is controlled to be 20%-50% after acid pickling of the hot-rolled wide steel strip, then spheroidizing annealing is conducted, the Vickers hardness HV5 is 180 or below, and the spheroidizing rate is 92% or above; after the steel strip is subjected to primary sp</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 METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS |
| title | Manufacturing process of high-carbon tool steel SK85 cold-rolled wide steel strip |
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