METHOD FOR MAKING ROLLED CAST IRON SHEETS
FIELD: rolled stock production, namely manufacture of hot rolled sheets, bands, strips of cast iron with spheroidal graphite. SUBSTANCE: method comprises steps of heating blank of cast iron with spheroidal graphite until 750 C - 1100 C, performing its multiple lengthwise rolling at reduction in each...
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| creator | JUSUPOV V.S TRAJNO A.I VETER V.V KUGUSHIN A.A |
| description | FIELD: rolled stock production, namely manufacture of hot rolled sheets, bands, strips of cast iron with spheroidal graphite. SUBSTANCE: method comprises steps of heating blank of cast iron with spheroidal graphite until 750 C - 1100 C, performing its multiple lengthwise rolling at reduction in each pass equal to (8-55)% and terminating rolling at temperature 720 C - 950 C. In variants after first five passes blank is turned in rolling plane by angle equal to 90 degrees and then it is rolled to final thickness. After completion of rolling procedure rolled sheet is subjected to heat treatment at heating it until temperature equal to Ar3 + (50-280)C and soaking it at such temperature for 0.4-48 hours. EFFECT: enhanced set of mechanical properties, increased corrosion resistance, less loss of yield. 3 cl, 2 tbl |
| format | Patent |
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SUBSTANCE: method comprises steps of heating blank of cast iron with spheroidal graphite until 750 C - 1100 C, performing its multiple lengthwise rolling at reduction in each pass equal to (8-55)% and terminating rolling at temperature 720 C - 950 C. In variants after first five passes blank is turned in rolling plane by angle equal to 90 degrees and then it is rolled to final thickness. After completion of rolling procedure rolled sheet is subjected to heat treatment at heating it until temperature equal to Ar3 + (50-280)C and soaking it at such temperature for 0.4-48 hours. EFFECT: enhanced set of mechanical properties, increased corrosion resistance, less loss of yield. 3 cl, 2 tbl</description><edition>6</edition><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>1999</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=19990920&DB=EPODOC&CC=RU&NR=2137560C1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990920&DB=EPODOC&CC=RU&NR=2137560C1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JUSUPOV V.S</creatorcontrib><creatorcontrib>TRAJNO A.I</creatorcontrib><creatorcontrib>VETER V.V</creatorcontrib><creatorcontrib>KUGUSHIN A.A</creatorcontrib><title>METHOD FOR MAKING ROLLED CAST IRON SHEETS</title><description>FIELD: rolled stock production, namely manufacture of hot rolled sheets, bands, strips of cast iron with spheroidal graphite. SUBSTANCE: method comprises steps of heating blank of cast iron with spheroidal graphite until 750 C - 1100 C, performing its multiple lengthwise rolling at reduction in each pass equal to (8-55)% and terminating rolling at temperature 720 C - 950 C. In variants after first five passes blank is turned in rolling plane by angle equal to 90 degrees and then it is rolled to final thickness. After completion of rolling procedure rolled sheet is subjected to heat treatment at heating it until temperature equal to Ar3 + (50-280)C and soaking it at such temperature for 0.4-48 hours. 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SUBSTANCE: method comprises steps of heating blank of cast iron with spheroidal graphite until 750 C - 1100 C, performing its multiple lengthwise rolling at reduction in each pass equal to (8-55)% and terminating rolling at temperature 720 C - 950 C. In variants after first five passes blank is turned in rolling plane by angle equal to 90 degrees and then it is rolled to final thickness. After completion of rolling procedure rolled sheet is subjected to heat treatment at heating it until temperature equal to Ar3 + (50-280)C and soaking it at such temperature for 0.4-48 hours. EFFECT: enhanced set of mechanical properties, increased corrosion resistance, less loss of yield. 3 cl, 2 tbl</abstract><edition>6</edition><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 | METHOD FOR MAKING ROLLED CAST IRON SHEETS |
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