Cold forging steel with excellent low-temperature toughness and manufacturing method thereof
The invention discloses cold forging steel with excellent low-temperature toughness, which contains Fe and inevitable impurities, and further contains the following chemical elements in percentage by mass: 0.17 to 0.23 percent of C, 0.17 to 0.37 percent of Si, 1.20 to 1.60 percent of Mn, 0.17 to 0.2...
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| creator | ZHAI RUIYIN YAO ZAN QU XUAN ZHAO SIXIN YU ZIQUAN JIN FENG |
| description | The invention discloses cold forging steel with excellent low-temperature toughness, which contains Fe and inevitable impurities, and further contains the following chemical elements in percentage by mass: 0.17 to 0.23 percent of C, 0.17 to 0.37 percent of Si, 1.20 to 1.60 percent of Mn, 0.17 to 0.23 percent of Ni, 0.10 to 0.20 percent of V, 0.04 to 0.09 percent of Ti, 0.05 to 0.10 percent of Al and 0.005 to 0.009 percent of N. Correspondingly, the invention also discloses a manufacturing method of the cold forging steel, which comprises the following steps: (1) smelting; (2) LF refining; (3) VD or RH vacuum degassing; (4) continuous casting; (5) cogging, finishing and rolling into a wire rod; and (6) controlled cooling is conducted, specifically, it is ensured that the cooling speed of the wire rod is 1-5 DEG C/s, and the wire rod is cooled to 600 DEG C or below.
本发明公开了一种低温韧性优良的冷镦钢，其含有Fe和不可避免的杂质，其还含有质量百分含量如下的下述各化学元素：C：0.17～0.23wt.％、Si：0.17～0.37wt.％、Mn：1.20～1.60wt.％、Ni：0.17～0.23wt.％、V：0.10～0.20wt.％、Ti：0.04～0. |
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本发明公开了一种低温韧性优良的冷镦钢，其含有Fe和不可避免的杂质，其还含有质量百分含量如下的下述各化学元素：C：0.17～0.23wt.％、Si：0.17～0.37wt.％、Mn：1.20～1.60wt.％、Ni：0.17～0.23wt.％、V：0.10～0.20wt.％、Ti：0.04～0.</description><language>chi ; eng</language><subject>ALLOYS ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2024</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=20240105&DB=EPODOC&CC=CN&NR=117344197A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240105&DB=EPODOC&CC=CN&NR=117344197A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHAI RUIYIN</creatorcontrib><creatorcontrib>YAO ZAN</creatorcontrib><creatorcontrib>QU XUAN</creatorcontrib><creatorcontrib>ZHAO SIXIN</creatorcontrib><creatorcontrib>YU ZIQUAN</creatorcontrib><creatorcontrib>JIN FENG</creatorcontrib><title>Cold forging steel with excellent low-temperature toughness and manufacturing method thereof</title><description>The invention discloses cold forging steel with excellent low-temperature toughness, which contains Fe and inevitable impurities, and further contains the following chemical elements in percentage by mass: 0.17 to 0.23 percent of C, 0.17 to 0.37 percent of Si, 1.20 to 1.60 percent of Mn, 0.17 to 0.23 percent of Ni, 0.10 to 0.20 percent of V, 0.04 to 0.09 percent of Ti, 0.05 to 0.10 percent of Al and 0.005 to 0.009 percent of N. Correspondingly, the invention also discloses a manufacturing method of the cold forging steel, which comprises the following steps: (1) smelting; (2) LF refining; (3) VD or RH vacuum degassing; (4) continuous casting; (5) cogging, finishing and rolling into a wire rod; and (6) controlled cooling is conducted, specifically, it is ensured that the cooling speed of the wire rod is 1-5 DEG C/s, and the wire rod is cooled to 600 DEG C or below.
本发明公开了一种低温韧性优良的冷镦钢，其含有Fe和不可避免的杂质，其还含有质量百分含量如下的下述各化学元素：C：0.17～0.23wt.％、Si：0.17～0.37wt.％、Mn：1.20～1.60wt.％、Ni：0.17～0.23wt.％、V：0.10～0.20wt.％、Ti：0.04～0.</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLEKwjAURbs4iPoPzw_oUFoojhIUJydHoYT2JimkeSF5oX6-Cn6A0xnO4Wyrp2I_keFk52ApC-BpncURXiO8RxDyvNaCJSJpKQkkXKwLyJl0mGjRoRg9fsx3sEAcTyQOCWz21cZon3H4cVcdr5eHutWIPCBHPSJABnVvmr7tuubUn9t_mjcZfDy6</recordid><startdate>20240105</startdate><enddate>20240105</enddate><creator>ZHAI RUIYIN</creator><creator>YAO ZAN</creator><creator>QU XUAN</creator><creator>ZHAO SIXIN</creator><creator>YU ZIQUAN</creator><creator>JIN FENG</creator><scope>EVB</scope></search><sort><creationdate>20240105</creationdate><title>Cold forging steel with excellent low-temperature toughness and manufacturing method thereof</title><author>ZHAI RUIYIN ; YAO ZAN ; QU XUAN ; ZHAO SIXIN ; YU ZIQUAN ; JIN FENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN117344197A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHAI RUIYIN</creatorcontrib><creatorcontrib>YAO ZAN</creatorcontrib><creatorcontrib>QU XUAN</creatorcontrib><creatorcontrib>ZHAO SIXIN</creatorcontrib><creatorcontrib>YU ZIQUAN</creatorcontrib><creatorcontrib>JIN FENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHAI RUIYIN</au><au>YAO ZAN</au><au>QU XUAN</au><au>ZHAO SIXIN</au><au>YU ZIQUAN</au><au>JIN FENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Cold forging steel with excellent low-temperature toughness and manufacturing method thereof</title><date>2024-01-05</date><risdate>2024</risdate><abstract>The invention discloses cold forging steel with excellent low-temperature toughness, which contains Fe and inevitable impurities, and further contains the following chemical elements in percentage by mass: 0.17 to 0.23 percent of C, 0.17 to 0.37 percent of Si, 1.20 to 1.60 percent of Mn, 0.17 to 0.23 percent of Ni, 0.10 to 0.20 percent of V, 0.04 to 0.09 percent of Ti, 0.05 to 0.10 percent of Al and 0.005 to 0.009 percent of N. Correspondingly, the invention also discloses a manufacturing method of the cold forging steel, which comprises the following steps: (1) smelting; (2) LF refining; (3) VD or RH vacuum degassing; (4) continuous casting; (5) cogging, finishing and rolling into a wire rod; and (6) controlled cooling is conducted, specifically, it is ensured that the cooling speed of the wire rod is 1-5 DEG C/s, and the wire rod is cooled to 600 DEG C or below.
本发明公开了一种低温韧性优良的冷镦钢，其含有Fe和不可避免的杂质，其还含有质量百分含量如下的下述各化学元素：C：0.17～0.23wt.％、Si：0.17～0.37wt.％、Mn：1.20～1.60wt.％、Ni：0.17～0.23wt.％、V：0.10～0.20wt.％、Ti：0.04～0.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Cold forging steel with excellent low-temperature toughness and manufacturing method thereof |
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