MOLD STEEL AND METAL MOLD
To provide a mold steel excellent in wear resistance and thermal shock resistance, and a metal mold.SOLUTION: A mold steel comprises, in mass%, 0.55%≤C≤0.70%, 0.30%≤Si≤0.60%, 0.55%≤Mn≤1.2%, 5.7%≤Cr≤6.9%, 1.2%≤Mo+1/2W≤1.6%, 0.55%≤V≤0.79%, and 0.005%≤N≤0.1%, with the remainder being Fe and unavoidable...
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| creator | NEMOTO TAKESHI UMEMORI NAOKI |
| description | To provide a mold steel excellent in wear resistance and thermal shock resistance, and a metal mold.SOLUTION: A mold steel comprises, in mass%, 0.55%≤C≤0.70%, 0.30%≤Si≤0.60%, 0.55%≤Mn≤1.2%, 5.7%≤Cr≤6.9%, 1.2%≤Mo+1/2W≤1.6%, 0.55%≤V≤0.79%, and 0.005%≤N≤0.1%, with the remainder being Fe and unavoidable impurities, a content of Al, Ni, S, and Cu as inevitable impurities is, in mass%, Al≤0.020%, Ni≤0.20%, S≤0.0015%, and Cu≤0.10%, a value of P1 determined by the following formula (1) is P1≥24, and the value of P2 determined by the following formula (2) is 4.9≤P2≤7.3. P1=45-13.6Si-7.0(Mo+1/2W)-12.9Ni (1) P2=7.4V+15.8N+38.6Al (2).SELECTED DRAWING: Figure 1
【課題】耐摩耗性と耐熱衝撃性に優れた金型用鋼、および金型を提供する。【解決手段】質量％で、０．５５％≦Ｃ≦０．７０％、０．３０％≦Ｓｉ≦０．６０％、０．５５％≦Ｍｎ≦１．２％、５．７％≦Ｃｒ≦６．９％、１．２％≦Ｍｏ＋１／２Ｗ≦１．６％、０．５５％≦Ｖ≦０．７９％、および０．００５％≦Ｎ≦０．１％を含有し、残部がＦｅおよび不可避的不純物よりなり、不可避的不純物としてのＡｌ、Ｎｉ、Ｓ、Ｃｕの含有量が、質量％で、Ａｌ≦０．０２０％、Ｎｉ≦０．２０％、Ｓ≦０．００１５％、およびＣｕ≦０．１０％であり、下記の式（１）によって求められるＰ１の値が、Ｐ１≧２４であり、下記の式（２）によって求められるＰ２の値が、４．９≦Ｐ２≦７．３である、金型用鋼とする。Ｐ１＝４５－１３．６Ｓｉ－７．０（Ｍｏ＋１／２Ｗ）－１２．９Ｎｉ （１）Ｐ２＝７．４Ｖ＋１５．８Ｎ＋３８．６Ａｌ （２）【選択図】図１ |
| format | Patent |
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【課題】耐摩耗性と耐熱衝撃性に優れた金型用鋼、および金型を提供する。【解決手段】質量％で、０．５５％≦Ｃ≦０．７０％、０．３０％≦Ｓｉ≦０．６０％、０．５５％≦Ｍｎ≦１．２％、５．７％≦Ｃｒ≦６．９％、１．２％≦Ｍｏ＋１／２Ｗ≦１．６％、０．５５％≦Ｖ≦０．７９％、および０．００５％≦Ｎ≦０．１％を含有し、残部がＦｅおよび不可避的不純物よりなり、不可避的不純物としてのＡｌ、Ｎｉ、Ｓ、Ｃｕの含有量が、質量％で、Ａｌ≦０．０２０％、Ｎｉ≦０．２０％、Ｓ≦０．００１５％、およびＣｕ≦０．１０％であり、下記の式（１）によって求められるＰ１の値が、Ｐ１≧２４であり、下記の式（２）によって求められるＰ２の値が、４．９≦Ｐ２≦７．３である、金型用鋼とする。Ｐ１＝４５－１３．６Ｓｉ－７．０（Ｍｏ＋１／２Ｗ）－１２．９Ｎｉ （１）Ｐ２＝７．４Ｖ＋１５．８Ｎ＋３８．６Ａｌ （２）【選択図】図１</description><language>eng ; jpn</language><subject>ALLOYS ; CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; 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=20230905&DB=EPODOC&CC=JP&NR=2023122766A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230905&DB=EPODOC&CC=JP&NR=2023122766A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>NEMOTO TAKESHI</creatorcontrib><creatorcontrib>UMEMORI NAOKI</creatorcontrib><title>MOLD STEEL AND METAL MOLD</title><description>To provide a mold steel excellent in wear resistance and thermal shock resistance, and a metal mold.SOLUTION: A mold steel comprises, in mass%, 0.55%≤C≤0.70%, 0.30%≤Si≤0.60%, 0.55%≤Mn≤1.2%, 5.7%≤Cr≤6.9%, 1.2%≤Mo+1/2W≤1.6%, 0.55%≤V≤0.79%, and 0.005%≤N≤0.1%, with the remainder being Fe and unavoidable impurities, a content of Al, Ni, S, and Cu as inevitable impurities is, in mass%, Al≤0.020%, Ni≤0.20%, S≤0.0015%, and Cu≤0.10%, a value of P1 determined by the following formula (1) is P1≥24, and the value of P2 determined by the following formula (2) is 4.9≤P2≤7.3. P1=45-13.6Si-7.0(Mo+1/2W)-12.9Ni (1) P2=7.4V+15.8N+38.6Al (2).SELECTED DRAWING: Figure 1
【課題】耐摩耗性と耐熱衝撃性に優れた金型用鋼、および金型を提供する。【解決手段】質量％で、０．５５％≦Ｃ≦０．７０％、０．３０％≦Ｓｉ≦０．６０％、０．５５％≦Ｍｎ≦１．２％、５．７％≦Ｃｒ≦６．９％、１．２％≦Ｍｏ＋１／２Ｗ≦１．６％、０．５５％≦Ｖ≦０．７９％、および０．００５％≦Ｎ≦０．１％を含有し、残部がＦｅおよび不可避的不純物よりなり、不可避的不純物としてのＡｌ、Ｎｉ、Ｓ、Ｃｕの含有量が、質量％で、Ａｌ≦０．０２０％、Ｎｉ≦０．２０％、Ｓ≦０．００１５％、およびＣｕ≦０．１０％であり、下記の式（１）によって求められるＰ１の値が、Ｐ１≧２４であり、下記の式（２）によって求められるＰ２の値が、４．９≦Ｐ２≦７．３である、金型用鋼とする。Ｐ１＝４５－１３．６Ｓｉ－７．０（Ｍｏ＋１／２Ｗ）－１２．９Ｎｉ （１）Ｐ２＝７．４Ｖ＋１５．８Ｎ＋３８．６Ａｌ （２）【選択図】図１</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>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD09fdxUQgOcXX1UXD0c1HwdQ1x9FEACfIwsKYl5hSn8kJpbgYlN9cQZw_d1IL8-NTigsTk1LzUknivACMDI2NDIyNzMzNHY6IUAQAsoyAN</recordid><startdate>20230905</startdate><enddate>20230905</enddate><creator>NEMOTO TAKESHI</creator><creator>UMEMORI NAOKI</creator><scope>EVB</scope></search><sort><creationdate>20230905</creationdate><title>MOLD STEEL AND METAL MOLD</title><author>NEMOTO TAKESHI ; UMEMORI NAOKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2023122766A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2023</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>NEMOTO TAKESHI</creatorcontrib><creatorcontrib>UMEMORI NAOKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>NEMOTO TAKESHI</au><au>UMEMORI NAOKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>MOLD STEEL AND METAL MOLD</title><date>2023-09-05</date><risdate>2023</risdate><abstract>To provide a mold steel excellent in wear resistance and thermal shock resistance, and a metal mold.SOLUTION: A mold steel comprises, in mass%, 0.55%≤C≤0.70%, 0.30%≤Si≤0.60%, 0.55%≤Mn≤1.2%, 5.7%≤Cr≤6.9%, 1.2%≤Mo+1/2W≤1.6%, 0.55%≤V≤0.79%, and 0.005%≤N≤0.1%, with the remainder being Fe and unavoidable impurities, a content of Al, Ni, S, and Cu as inevitable impurities is, in mass%, Al≤0.020%, Ni≤0.20%, S≤0.0015%, and Cu≤0.10%, a value of P1 determined by the following formula (1) is P1≥24, and the value of P2 determined by the following formula (2) is 4.9≤P2≤7.3. P1=45-13.6Si-7.0(Mo+1/2W)-12.9Ni (1) P2=7.4V+15.8N+38.6Al (2).SELECTED DRAWING: Figure 1
【課題】耐摩耗性と耐熱衝撃性に優れた金型用鋼、および金型を提供する。【解決手段】質量％で、０．５５％≦Ｃ≦０．７０％、０．３０％≦Ｓｉ≦０．６０％、０．５５％≦Ｍｎ≦１．２％、５．７％≦Ｃｒ≦６．９％、１．２％≦Ｍｏ＋１／２Ｗ≦１．６％、０．５５％≦Ｖ≦０．７９％、および０．００５％≦Ｎ≦０．１％を含有し、残部がＦｅおよび不可避的不純物よりなり、不可避的不純物としてのＡｌ、Ｎｉ、Ｓ、Ｃｕの含有量が、質量％で、Ａｌ≦０．０２０％、Ｎｉ≦０．２０％、Ｓ≦０．００１５％、およびＣｕ≦０．１０％であり、下記の式（１）によって求められるＰ１の値が、Ｐ１≧２４であり、下記の式（２）によって求められるＰ２の値が、４．９≦Ｐ２≦７．３である、金型用鋼とする。Ｐ１＝４５－１３．６Ｓｉ－７．０（Ｍｏ＋１／２Ｗ）－１２．９Ｎｉ （１）Ｐ２＝７．４Ｖ＋１５．８Ｎ＋３８．６Ａｌ （２）【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| title | MOLD STEEL AND METAL MOLD |
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