Process for controlling surface piebaldness of steel plates
The invention relates to a process for controlling surface piebaldness of steel plates, comprising the following steps of (1) putting a continuous casting billet into a heating furnace to heat; (2) removing phosphorus; (3) carrying out rough rolling by using a four-high mill; and (4) carrying out pr...
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creator | ZHANG AIQIN SUN WEI ZHANG ZHONGLIANG YANG GONGBEN SHI YIYANG XU FANGQUAN DONG ENLE |
description | The invention relates to a process for controlling surface piebaldness of steel plates, comprising the following steps of (1) putting a continuous casting billet into a heating furnace to heat; (2) removing phosphorus; (3) carrying out rough rolling by using a four-high mill; and (4) carrying out precision rolling by using the four-high mill, wherein the rough rolling temperature of the four-high mill in the processing step (3) is 1120-1140 DEG C; and the beginning rolling temperature is 980-1010 DEG C and the finish rolling temperature is 880-920 DEG C during the precision rolling of the four-high mill in the processing step (4). The process disclosed by the invention has the beneficial effects that the surface piebaldness problem of the steel plates is solved through reducing the Si content in the continuous casting billet and increasing the rough rolling temperature and the precision rolling temperature, so that the surface roughness of the steel plates is reduced and the quality of the steel plates is inc |
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The process disclosed by the invention has the beneficial effects that the surface piebaldness problem of the steel plates is solved through reducing the Si content in the continuous casting billet and increasing the rough rolling temperature and the precision rolling temperature, so that the surface roughness of the steel plates is reduced and the quality of the steel plates is inc</description><language>chi ; eng</language><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL ; PERFORMING OPERATIONS ; PUNCHING METAL ; ROLLING OF METAL ; TRANSPORTING</subject><creationdate>2013</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=20130327&DB=EPODOC&CC=CN&NR=102989785A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20130327&DB=EPODOC&CC=CN&NR=102989785A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHANG AIQIN</creatorcontrib><creatorcontrib>SUN WEI</creatorcontrib><creatorcontrib>ZHANG ZHONGLIANG</creatorcontrib><creatorcontrib>YANG GONGBEN</creatorcontrib><creatorcontrib>SHI YIYANG</creatorcontrib><creatorcontrib>XU FANGQUAN</creatorcontrib><creatorcontrib>DONG ENLE</creatorcontrib><title>Process for controlling surface piebaldness of steel plates</title><description>The invention relates to a process for controlling surface piebaldness of steel plates, comprising the following steps of (1) putting a continuous casting billet into a heating furnace to heat; (2) removing phosphorus; (3) carrying out rough rolling by using a four-high mill; and (4) carrying out precision rolling by using the four-high mill, wherein the rough rolling temperature of the four-high mill in the processing step (3) is 1120-1140 DEG C; and the beginning rolling temperature is 980-1010 DEG C and the finish rolling temperature is 880-920 DEG C during the precision rolling of the four-high mill in the processing step (4). The process disclosed by the invention has the beneficial effects that the surface piebaldness problem of the steel plates is solved through reducing the Si content in the continuous casting billet and increasing the rough rolling temperature and the precision rolling temperature, so that the surface roughness of the steel plates is reduced and the quality of the steel plates is inc</description><subject>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</subject><subject>PERFORMING OPERATIONS</subject><subject>PUNCHING METAL</subject><subject>ROLLING OF METAL</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2013</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAOKMpPTi0uVkjLL1JIzs8rKcrPycnMS1coLi1KS0xOVSjITE1KzEnJA6nJT1MoLklNzVEoyEksSS3mYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQVA7XmpJfHOfoYGRpYWluYWpo7GxKgBAN3oL-M</recordid><startdate>20130327</startdate><enddate>20130327</enddate><creator>ZHANG AIQIN</creator><creator>SUN WEI</creator><creator>ZHANG ZHONGLIANG</creator><creator>YANG GONGBEN</creator><creator>SHI YIYANG</creator><creator>XU FANGQUAN</creator><creator>DONG ENLE</creator><scope>EVB</scope></search><sort><creationdate>20130327</creationdate><title>Process for controlling surface piebaldness of steel plates</title><author>ZHANG AIQIN ; SUN WEI ; ZHANG ZHONGLIANG ; YANG GONGBEN ; SHI YIYANG ; XU FANGQUAN ; DONG ENLE</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN102989785A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2013</creationdate><topic>MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL</topic><topic>PERFORMING OPERATIONS</topic><topic>PUNCHING METAL</topic><topic>ROLLING OF METAL</topic><topic>TRANSPORTING</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHANG AIQIN</creatorcontrib><creatorcontrib>SUN WEI</creatorcontrib><creatorcontrib>ZHANG ZHONGLIANG</creatorcontrib><creatorcontrib>YANG GONGBEN</creatorcontrib><creatorcontrib>SHI YIYANG</creatorcontrib><creatorcontrib>XU FANGQUAN</creatorcontrib><creatorcontrib>DONG ENLE</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHANG AIQIN</au><au>SUN WEI</au><au>ZHANG ZHONGLIANG</au><au>YANG GONGBEN</au><au>SHI YIYANG</au><au>XU FANGQUAN</au><au>DONG ENLE</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for controlling surface piebaldness of steel plates</title><date>2013-03-27</date><risdate>2013</risdate><abstract>The invention relates to a process for controlling surface piebaldness of steel plates, comprising the following steps of (1) putting a continuous casting billet into a heating furnace to heat; (2) removing phosphorus; (3) carrying out rough rolling by using a four-high mill; and (4) carrying out precision rolling by using the four-high mill, wherein the rough rolling temperature of the four-high mill in the processing step (3) is 1120-1140 DEG C; and the beginning rolling temperature is 980-1010 DEG C and the finish rolling temperature is 880-920 DEG C during the precision rolling of the four-high mill in the processing step (4). The process disclosed by the invention has the beneficial effects that the surface piebaldness problem of the steel plates is solved through reducing the Si content in the continuous casting billet and increasing the rough rolling temperature and the precision rolling temperature, so that the surface roughness of the steel plates is reduced and the quality of the steel plates is inc</abstract><oa>free_for_read</oa></addata></record> |
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subjects | MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL ROLLING OF METAL TRANSPORTING |
title | Process for controlling surface piebaldness of steel plates |
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