Automotive structural steel, manufacture method thereof and manufacture method of automotive structural part
The invention discloses automotive structural steel, a manufacture method thereof and a manufacture method of an automotive structural part. The automotive structural steel comprises, by mass, 0.07%-0.15% of C, 0.1%-0.2% of Si, 1.0%-2.0% of Mn, smaller than or equal to 0.015% of P, smaller than or e...
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| creator | LI QIUHAN CHEN BIN LYU LIGE ZHOU NA GUO ZIFENG ZHANG YAN LIU JIE FENG JUN LI YUPENG GUO JIA |
| description | The invention discloses automotive structural steel, a manufacture method thereof and a manufacture method of an automotive structural part. The automotive structural steel comprises, by mass, 0.07%-0.15% of C, 0.1%-0.2% of Si, 1.0%-2.0% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.004% of S, smaller than or equal to 0.04% of Al, 0.0040%-0.0070% of N, 0.1%-0.4% of Re, 0.10%-0.20% of V, 0.02%-0.06% of Nb and the balance Fe and unavoidable impurities. According to the automotive structural steel, the fatigue property is improved in the mode of reducing the hardness difference between a weld seam and a heat affected zone thereof and a base material, improving the surface hardness of a steel plate, reducing large inclusions in the steel and reducing the molded residual stress.
本发明公开了一种汽车结构用钢及其制造方法及汽车结构件的制造方法。其中，汽车结构用钢，以质量％计，包括：C：0.07％-0.15％，Si：0.1％-0.2％，Mn：1.0％-2.0％，P：≤0.015％，S：≤0.004％，Al：≤0.04％，N：0.0040％-0.0070％，Re：0.1％-0.4％，V：0.10％-0.20％，Nb：0.02％-0.06％，其余为Fe和不可避免的杂质。本发明通过降低焊缝及其热影响区与母材 |
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本发明公开了一种汽车结构用钢及其制造方法及汽车结构件的制造方法。其中，汽车结构用钢，以质量％计，包括：C：0.07％-0.15％，Si：0.1％-0.2％，Mn：1.0％-2.0％，P：≤0.015％，S：≤0.004％，Al：≤0.04％，N：0.0040％-0.0070％，Re：0.1％-0.4％，V：0.10％-0.20％，Nb：0.02％-0.06％，其余为Fe和不可避免的杂质。本发明通过降低焊缝及其热影响区与母材</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>2019</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=20190426&DB=EPODOC&CC=CN&NR=109680211A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190426&DB=EPODOC&CC=CN&NR=109680211A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>LI QIUHAN</creatorcontrib><creatorcontrib>CHEN BIN</creatorcontrib><creatorcontrib>LYU LIGE</creatorcontrib><creatorcontrib>ZHOU NA</creatorcontrib><creatorcontrib>GUO ZIFENG</creatorcontrib><creatorcontrib>ZHANG YAN</creatorcontrib><creatorcontrib>LIU JIE</creatorcontrib><creatorcontrib>FENG JUN</creatorcontrib><creatorcontrib>LI YUPENG</creatorcontrib><creatorcontrib>GUO JIA</creatorcontrib><title>Automotive structural steel, manufacture method thereof and manufacture method of automotive structural part</title><description>The invention discloses automotive structural steel, a manufacture method thereof and a manufacture method of an automotive structural part. The automotive structural steel comprises, by mass, 0.07%-0.15% of C, 0.1%-0.2% of Si, 1.0%-2.0% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.004% of S, smaller than or equal to 0.04% of Al, 0.0040%-0.0070% of N, 0.1%-0.4% of Re, 0.10%-0.20% of V, 0.02%-0.06% of Nb and the balance Fe and unavoidable impurities. According to the automotive structural steel, the fatigue property is improved in the mode of reducing the hardness difference between a weld seam and a heat affected zone thereof and a base material, improving the surface hardness of a steel plate, reducing large inclusions in the steel and reducing the molded residual stress.
本发明公开了一种汽车结构用钢及其制造方法及汽车结构件的制造方法。其中，汽车结构用钢，以质量％计，包括：C：0.07％-0.15％，Si：0.1％-0.2％，Mn：1.0％-2.0％，P：≤0.015％，S：≤0.004％，Al：≤0.04％，N：0.0040％-0.0070％，Re：0.1％-0.4％，V：0.10％-0.20％，Nb：0.02％-0.06％，其余为Fe和不可避免的杂质。本发明通过降低焊缝及其热影响区与母材</description><subject>ALLOYS</subject><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</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>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZMhxLC3Jz80vySxLVSguKSpNLiktSswBMlNTc3QUchPzStMSQWKpCrmpJRn5KQolGalFqflpCol5KdikQTJYTSxILCrhYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GBpZmFgZGhoaOxsSoAQDp20Mk</recordid><startdate>20190426</startdate><enddate>20190426</enddate><creator>LI QIUHAN</creator><creator>CHEN BIN</creator><creator>LYU LIGE</creator><creator>ZHOU NA</creator><creator>GUO ZIFENG</creator><creator>ZHANG YAN</creator><creator>LIU JIE</creator><creator>FENG JUN</creator><creator>LI YUPENG</creator><creator>GUO JIA</creator><scope>EVB</scope></search><sort><creationdate>20190426</creationdate><title>Automotive structural steel, manufacture method thereof and manufacture method of automotive structural part</title><author>LI QIUHAN ; CHEN BIN ; LYU LIGE ; ZHOU NA ; GUO ZIFENG ; ZHANG YAN ; LIU JIE ; FENG JUN ; LI YUPENG ; GUO JIA</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN109680211A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>ALLOYS</topic><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS</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>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>LI QIUHAN</creatorcontrib><creatorcontrib>CHEN BIN</creatorcontrib><creatorcontrib>LYU LIGE</creatorcontrib><creatorcontrib>ZHOU NA</creatorcontrib><creatorcontrib>GUO ZIFENG</creatorcontrib><creatorcontrib>ZHANG YAN</creatorcontrib><creatorcontrib>LIU JIE</creatorcontrib><creatorcontrib>FENG JUN</creatorcontrib><creatorcontrib>LI YUPENG</creatorcontrib><creatorcontrib>GUO JIA</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LI QIUHAN</au><au>CHEN BIN</au><au>LYU LIGE</au><au>ZHOU NA</au><au>GUO ZIFENG</au><au>ZHANG YAN</au><au>LIU JIE</au><au>FENG JUN</au><au>LI YUPENG</au><au>GUO JIA</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Automotive structural steel, manufacture method thereof and manufacture method of automotive structural part</title><date>2019-04-26</date><risdate>2019</risdate><abstract>The invention discloses automotive structural steel, a manufacture method thereof and a manufacture method of an automotive structural part. The automotive structural steel comprises, by mass, 0.07%-0.15% of C, 0.1%-0.2% of Si, 1.0%-2.0% of Mn, smaller than or equal to 0.015% of P, smaller than or equal to 0.004% of S, smaller than or equal to 0.04% of Al, 0.0040%-0.0070% of N, 0.1%-0.4% of Re, 0.10%-0.20% of V, 0.02%-0.06% of Nb and the balance Fe and unavoidable impurities. According to the automotive structural steel, the fatigue property is improved in the mode of reducing the hardness difference between a weld seam and a heat affected zone thereof and a base material, improving the surface hardness of a steel plate, reducing large inclusions in the steel and reducing the molded residual stress.
本发明公开了一种汽车结构用钢及其制造方法及汽车结构件的制造方法。其中，汽车结构用钢，以质量％计，包括：C：0.07％-0.15％，Si：0.1％-0.2％，Mn：1.0％-2.0％，P：≤0.015％，S：≤0.004％，Al：≤0.04％，N：0.0040％-0.0070％，Re：0.1％-0.4％，V：0.10％-0.20％，Nb：0.02％-0.06％，其余为Fe和不可避免的杂质。本发明通过降低焊缝及其热影响区与母材</abstract><oa>free_for_read</oa></addata></record> |
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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 | Automotive structural steel, manufacture method thereof and manufacture method of automotive structural part |
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