420MPa-grade low-alloy high-strength steel with high work hardening rate and manufacturing method thereof
The invention relates to 420MPa-grade low-alloy high-strength steel with high work hardening rate and a manufacturing method thereof, the steel comprises the following chemical components in percentage by mass: 0.08%-0.1% of C, 0.3%-0.5% of Si, 1.5%-1.7% of Mn, less than or equal to 0.018% of P, les...
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| creator | MIAO XINLEI GUO QIANG WANG YUBIN WU QINGMEI WANG TING BU FANZHENG ZHENG LIANHUI XIAO JINGJIANG |
| description | The invention relates to 420MPa-grade low-alloy high-strength steel with high work hardening rate and a manufacturing method thereof, the steel comprises the following chemical components in percentage by mass: 0.08%-0.1% of C, 0.3%-0.5% of Si, 1.5%-1.7% of Mn, less than or equal to 0.018% of P, less than or equal to 0.008% of S, 0.02%-0.05% of Al, 0.1%-0.2% of Cr, 0.045%-0.065% of Nb, 0.01%-0.03% of Ti, less than or equal to 0.006% of N, and the balance of Fe and inevitable impurities, and the Nb + Ti accounts for 0.05%-0.08%. On the basis of a C-Si-Mn system, Nb and Ti are added and matched with a small amount of Cr, the solid solution strengthening and grain refining effects of the Nb and Ti are utilized, the microstructure is regulated and controlled, the yield ratio of the steel plate is reduced, and the yield ratio of the steel plate is controlled to be 0.6-0.8.
本发明涉及高加工硬化率的420MPa级低合金高强钢及制造方法，钢中化学成分按质量百分比计为：C：0.08％～0.1％，Si:0.3％～0.5％，Mn：1.5％～1.7％，P≤0.018％，S≤0.008％，Al：0.02％～0.05％，Cr：0.1％～0.2％，Nb：0.045％～0. |
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本发明涉及高加工硬化率的420MPa级低合金高强钢及制造方法，钢中化学成分按质量百分比计为：C：0.08％～0.1％，Si:0.3％～0.5％，Mn：1.5％～1.7％，P≤0.018％，S≤0.008％，Al：0.02％～0.05％，Cr：0.1％～0.2％，Nb：0.045％～0.</description><language>chi ; eng</language><subject>ALLOYS ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING MATERIAL WITH METALLIC MATERIAL ; COATING METALLIC MATERIAL ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS ; METALLURGY ; METALLURGY OF IRON ; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION ; 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=20230512&DB=EPODOC&CC=CN&NR=116103580A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230512&DB=EPODOC&CC=CN&NR=116103580A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIAO XINLEI</creatorcontrib><creatorcontrib>GUO QIANG</creatorcontrib><creatorcontrib>WANG YUBIN</creatorcontrib><creatorcontrib>WU QINGMEI</creatorcontrib><creatorcontrib>WANG TING</creatorcontrib><creatorcontrib>BU FANZHENG</creatorcontrib><creatorcontrib>ZHENG LIANHUI</creatorcontrib><creatorcontrib>XIAO JINGJIANG</creatorcontrib><title>420MPa-grade low-alloy high-strength steel with high work hardening rate and manufacturing method thereof</title><description>The invention relates to 420MPa-grade low-alloy high-strength steel with high work hardening rate and a manufacturing method thereof, the steel comprises the following chemical components in percentage by mass: 0.08%-0.1% of C, 0.3%-0.5% of Si, 1.5%-1.7% of Mn, less than or equal to 0.018% of P, less than or equal to 0.008% of S, 0.02%-0.05% of Al, 0.1%-0.2% of Cr, 0.045%-0.065% of Nb, 0.01%-0.03% of Ti, less than or equal to 0.006% of N, and the balance of Fe and inevitable impurities, and the Nb + Ti accounts for 0.05%-0.08%. On the basis of a C-Si-Mn system, Nb and Ti are added and matched with a small amount of Cr, the solid solution strengthening and grain refining effects of the Nb and Ti are utilized, the microstructure is regulated and controlled, the yield ratio of the steel plate is reduced, and the yield ratio of the steel plate is controlled to be 0.6-0.8.
本发明涉及高加工硬化率的420MPa级低合金高强钢及制造方法，钢中化学成分按质量百分比计为：C：0.08％～0.1％，Si:0.3％～0.5％，Mn：1.5％～1.7％，P≤0.018％，S≤0.008％，Al：0.02％～0.05％，Cr：0.1％～0.2％，Nb：0.045％～0.</description><subject>ALLOYS</subject><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</subject><subject>METALLURGY</subject><subject>METALLURGY OF IRON</subject><subject>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNikEKwjAQRbtxIeodxgMEWqvFrRTFjeLCfRmaaRJMkzKZUry9FjyAq_947y8zt9_ltwcqw6gJfJwUeh_fYJ2xKglTMGIhCZGHyX1xDjBFfoFF1hRcMMAoBBg09BjGDlsZedY9iY0axBJT7NbZokOfaPPbVba9nJ_1VdEQG0oDthRImvpeFFWRl4djfir_-XwAwQtADw</recordid><startdate>20230512</startdate><enddate>20230512</enddate><creator>MIAO XINLEI</creator><creator>GUO QIANG</creator><creator>WANG YUBIN</creator><creator>WU QINGMEI</creator><creator>WANG TING</creator><creator>BU FANZHENG</creator><creator>ZHENG LIANHUI</creator><creator>XIAO JINGJIANG</creator><scope>EVB</scope></search><sort><creationdate>20230512</creationdate><title>420MPa-grade low-alloy high-strength steel with high work hardening rate and manufacturing method thereof</title><author>MIAO XINLEI ; GUO QIANG ; WANG YUBIN ; WU QINGMEI ; WANG TING ; BU FANZHENG ; ZHENG LIANHUI ; XIAO JINGJIANG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN116103580A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2023</creationdate><topic>ALLOYS</topic><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS</topic><topic>METALLURGY</topic><topic>METALLURGY OF IRON</topic><topic>MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>MIAO XINLEI</creatorcontrib><creatorcontrib>GUO QIANG</creatorcontrib><creatorcontrib>WANG YUBIN</creatorcontrib><creatorcontrib>WU QINGMEI</creatorcontrib><creatorcontrib>WANG TING</creatorcontrib><creatorcontrib>BU FANZHENG</creatorcontrib><creatorcontrib>ZHENG LIANHUI</creatorcontrib><creatorcontrib>XIAO JINGJIANG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MIAO XINLEI</au><au>GUO QIANG</au><au>WANG YUBIN</au><au>WU QINGMEI</au><au>WANG TING</au><au>BU FANZHENG</au><au>ZHENG LIANHUI</au><au>XIAO JINGJIANG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>420MPa-grade low-alloy high-strength steel with high work hardening rate and manufacturing method thereof</title><date>2023-05-12</date><risdate>2023</risdate><abstract>The invention relates to 420MPa-grade low-alloy high-strength steel with high work hardening rate and a manufacturing method thereof, the steel comprises the following chemical components in percentage by mass: 0.08%-0.1% of C, 0.3%-0.5% of Si, 1.5%-1.7% of Mn, less than or equal to 0.018% of P, less than or equal to 0.008% of S, 0.02%-0.05% of Al, 0.1%-0.2% of Cr, 0.045%-0.065% of Nb, 0.01%-0.03% of Ti, less than or equal to 0.006% of N, and the balance of Fe and inevitable impurities, and the Nb + Ti accounts for 0.05%-0.08%. On the basis of a C-Si-Mn system, Nb and Ti are added and matched with a small amount of Cr, the solid solution strengthening and grain refining effects of the Nb and Ti are utilized, the microstructure is regulated and controlled, the yield ratio of the steel plate is reduced, and the yield ratio of the steel plate is controlled to be 0.6-0.8.
本发明涉及高加工硬化率的420MPa级低合金高强钢及制造方法，钢中化学成分按质量百分比计为：C：0.08％～0.1％，Si:0.3％～0.5％，Mn：1.5％～1.7％，P≤0.018％，S≤0.008％，Al：0.02％～0.05％，Cr：0.1％～0.2％，Nb：0.045％～0.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALLOYS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | 420MPa-grade low-alloy high-strength steel with high work hardening rate and manufacturing method thereof |
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