Preparation method of high-strength and high-toughness cold-working die steel billet
The invention provides a preparation method of a high-strength and high-toughness cold work die steel billet, and relates to the field of cold work die steel production, and the method comprises the following steps: VD furnace tapping, ladle turret treatment, tundish treatment, crystallizer treatmen...
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| creator | LUO XU ZENG ZEYAO KANG QIN XIAO QIANG |
| description | The invention provides a preparation method of a high-strength and high-toughness cold work die steel billet, and relates to the field of cold work die steel production, and the method comprises the following steps: VD furnace tapping, ladle turret treatment, tundish treatment, crystallizer treatment, secondary cooling, withdrawal and straightening machine treatment, flame cutting and square billet sizing. The total length of the crystallizer is 1500mm, the width and the height h1 of the crystallizer are 170mm, the radius r1 of four round corners of the crystallizer is 60mm, and the side length h2 of the crystallizer is 50mm; the temperature of tundish molten steel is 1480-1500 DEG C, the pulling speed is 0.6-0.8 m/min, and the water quantity of a crystallizer of a continuous casting machine is 140-160 m < 3 >/h. By adopting the designed key technology and process, the problem that oversized eutectic carbide is locally formed due to component segregation in the solidification process of the Cr8Mo2SiV steel gr |
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The total length of the crystallizer is 1500mm, the width and the height h1 of the crystallizer are 170mm, the radius r1 of four round corners of the crystallizer is 60mm, and the side length h2 of the crystallizer is 50mm; the temperature of tundish molten steel is 1480-1500 DEG C, the pulling speed is 0.6-0.8 m/min, and the water quantity of a crystallizer of a continuous casting machine is 140-160 m < 3 >/h. By adopting the designed key technology and process, the problem that oversized eutectic carbide is locally formed due to component segregation in the solidification process of the Cr8Mo2SiV steel gr</description><language>chi ; eng</language><subject>ALLOYS ; CASTING ; CASTING OF METALS ; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PERFORMING OPERATIONS ; POWDER METALLURGY ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2023</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=20230516&DB=EPODOC&CC=CN&NR=116117084A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230516&DB=EPODOC&CC=CN&NR=116117084A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LUO XU</creatorcontrib><creatorcontrib>ZENG ZEYAO</creatorcontrib><creatorcontrib>KANG QIN</creatorcontrib><creatorcontrib>XIAO QIANG</creatorcontrib><title>Preparation method of high-strength and high-toughness cold-working die steel billet</title><description>The invention provides a preparation method of a high-strength and high-toughness cold work die steel billet, and relates to the field of cold work die steel production, and the method comprises the following steps: VD furnace tapping, ladle turret treatment, tundish treatment, crystallizer treatment, secondary cooling, withdrawal and straightening machine treatment, flame cutting and square billet sizing. The total length of the crystallizer is 1500mm, the width and the height h1 of the crystallizer are 170mm, the radius r1 of four round corners of the crystallizer is 60mm, and the side length h2 of the crystallizer is 50mm; the temperature of tundish molten steel is 1480-1500 DEG C, the pulling speed is 0.6-0.8 m/min, and the water quantity of a crystallizer of a continuous casting machine is 140-160 m < 3 >/h. 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The total length of the crystallizer is 1500mm, the width and the height h1 of the crystallizer are 170mm, the radius r1 of four round corners of the crystallizer is 60mm, and the side length h2 of the crystallizer is 50mm; the temperature of tundish molten steel is 1480-1500 DEG C, the pulling speed is 0.6-0.8 m/min, and the water quantity of a crystallizer of a continuous casting machine is 140-160 m < 3 >/h. By adopting the designed key technology and process, the problem that oversized eutectic carbide is locally formed due to component segregation in the solidification process of the Cr8Mo2SiV steel gr</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CASTING CASTING OF METALS CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Preparation method of high-strength and high-toughness cold-working die steel billet |
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