Strategic petroleum reserve tank steel plate based on oxide metallurgy and manufacturing method thereof
The invention discloses a strategic petroleum reserve tank steel plate based on oxide metallurgy and a manufacturing method of the strategic petroleum reserve tank steel plate. The yield strength of the steel plate is large than or equal to 490 MPa, the tensile strength is 610-730 MPa, and the yield...
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| creator | WU JUNPING CHU JUEFEI WANG GUODONG FANG LEI CAO YULIANG ZHANG SI ZHU FUXIAN WANG ZHAODONG WANG BINGXING HUO SONGBO |
| description | The invention discloses a strategic petroleum reserve tank steel plate based on oxide metallurgy and a manufacturing method of the strategic petroleum reserve tank steel plate. The yield strength of the steel plate is large than or equal to 490 MPa, the tensile strength is 610-730 MPa, and the yield ratio is smaller than or equal to 0.90. The manufacturing method comprises the steps that a continuous casting billet is manufactured, heated for heat preservation, roughly rolled, finely rolled, directly quenched and cooled at the speed being larger than or equal to 50 DEG C/s, heated, tempered and subjected to air cooling. The steel plate is also applicable to manufacturing of large strategic petroleum reserve tanks with the volume being 100000 m , 150000 m or more; when the steel plateis subjected to large heat input welding when heat input is large than 200 KJ/cm, after welding, the welding heat affected zone -20 DEG C impact energy is not lower than 80 J; a two-face two-pass X-type welding way which sets limi |
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The yield strength of the steel plate is large than or equal to 490 MPa, the tensile strength is 610-730 MPa, and the yield ratio is smaller than or equal to 0.90. The manufacturing method comprises the steps that a continuous casting billet is manufactured, heated for heat preservation, roughly rolled, finely rolled, directly quenched and cooled at the speed being larger than or equal to 50 DEG C/s, heated, tempered and subjected to air cooling. The steel plate is also applicable to manufacturing of large strategic petroleum reserve tanks with the volume being 100000 m , 150000 m or more; when the steel plateis subjected to large heat input welding when heat input is large than 200 KJ/cm, after welding, the welding heat affected zone -20 DEG C impact energy is not lower than 80 J; a two-face two-pass X-type welding way which sets limi</description><language>chi ; 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=20181019&DB=EPODOC&CC=CN&NR=108677096A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20181019&DB=EPODOC&CC=CN&NR=108677096A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WU JUNPING</creatorcontrib><creatorcontrib>CHU JUEFEI</creatorcontrib><creatorcontrib>WANG GUODONG</creatorcontrib><creatorcontrib>FANG LEI</creatorcontrib><creatorcontrib>CAO YULIANG</creatorcontrib><creatorcontrib>ZHANG SI</creatorcontrib><creatorcontrib>ZHU FUXIAN</creatorcontrib><creatorcontrib>WANG ZHAODONG</creatorcontrib><creatorcontrib>WANG BINGXING</creatorcontrib><creatorcontrib>HUO SONGBO</creatorcontrib><title>Strategic petroleum reserve tank steel plate based on oxide metallurgy and manufacturing method thereof</title><description>The invention discloses a strategic petroleum reserve tank steel plate based on oxide metallurgy and a manufacturing method of the strategic petroleum reserve tank steel plate. The yield strength of the steel plate is large than or equal to 490 MPa, the tensile strength is 610-730 MPa, and the yield ratio is smaller than or equal to 0.90. The manufacturing method comprises the steps that a continuous casting billet is manufactured, heated for heat preservation, roughly rolled, finely rolled, directly quenched and cooled at the speed being larger than or equal to 50 DEG C/s, heated, tempered and subjected to air cooling. 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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 | Strategic petroleum reserve tank steel plate based on oxide metallurgy and manufacturing method thereof |
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