STEEL FOR MECHANICAL STRUCTURES HAVING EXCELLENT GRAIN SIZE PROPERTIES

STEEL FOR MECHANICAL STRUCTURES HAVING EXCELLENT GRAIN SIZE PROPERTIES

To provide a steel for mechanical structures that can inhibit the coarsening of crystal grains during carburization.SOLUTION: A steel for mechanical structures having excellent grain size properties comprises, in mass%, C: 0.27-0.45%, Si: 0.1-0.9%, Mn: 0.1-0.6%, P (as unavoidable impurities): 0.030%...

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Hauptverfasser: HASHIMOTO KAZUYA, IDEGUCHI TAKAHIRO
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Sprache:eng ; jpn
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ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator HASHIMOTO KAZUYA
IDEGUCHI TAKAHIRO
description To provide a steel for mechanical structures that can inhibit the coarsening of crystal grains during carburization.SOLUTION: A steel for mechanical structures having excellent grain size properties comprises, in mass%, C: 0.27-0.45%, Si: 0.1-0.9%, Mn: 0.1-0.6%, P (as unavoidable impurities): 0.030% or less, S (as unavoidable impurities): 0.030% or less, Cr: 1.50-2.50%, Mo: 0.1-0.3%, Al: 0.005-0.050%, N: 0.004-0.030%, with the balance being Fe and inevitable impurities. The steel is in an annealed state. The area ratio of lamellar pearlite is 3% or less.SELECTED DRAWING: None 【課題】 浸炭時の結晶粒粗大化を抑制することが可能な機械構造用鋼の提供。【解決手段】 質量％で、Ｃ：０．２７～０．４５％、Ｓｉ：０．１～０．９％、Ｍｎ：０．１～０．６％、Ｐ（不可避不純物として）：０．０３０％以下、Ｓ（不可避不純物として）：０．０３０％以下、Ｃｒ：１．５０～２．５０％、Ｍｏ：０．１～０．３％、Ａｌ：０．００５～０．０５０％、Ｎ：０．００４～０．０３０％を有し、残部Ｆｅおよび不可避的不純物からなる鋼であり、該鋼は焼なましされた状態であって、ラメラーパーライトの面積率が３％以下である、優れた結晶粒度特性を有する機械構造用鋼【選択図】なし
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The steel is in an annealed state. The area ratio of lamellar pearlite is 3% or less.SELECTED DRAWING: None 【課題】 浸炭時の結晶粒粗大化を抑制することが可能な機械構造用鋼の提供。【解決手段】 質量％で、Ｃ：０．２７～０．４５％、Ｓｉ：０．１～０．９％、Ｍｎ：０．１～０．６％、Ｐ（不可避不純物として）：０．０３０％以下、Ｓ（不可避不純物として）：０．０３０％以下、Ｃｒ：１．５０～２．５０％、Ｍｏ：０．１～０．３％、Ａｌ：０．００５～０．０５０％、Ｎ：０．００４～０．０３０％を有し、残部Ｆｅおよび不可避的不純物からなる鋼であり、該鋼は焼なましされた状態であって、ラメラーパーライトの面積率が３％以下である、優れた結晶粒度特性を有する機械構造用鋼【選択図】なし</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>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHALDnF19VFw8w9S8HV19nD083R29FEIDgkKdQ4JDXINVvBwDPP0c1dwjXB29fFx9QtRcA9y9PRTCPaMclUICPIPcA0K8XQN5mFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgZGRoYmFobmlo7GRCkCACRdLRA</recordid><startdate>20221006</startdate><enddate>20221006</enddate><creator>HASHIMOTO KAZUYA</creator><creator>IDEGUCHI TAKAHIRO</creator><scope>EVB</scope></search><sort><creationdate>20221006</creationdate><title>STEEL FOR MECHANICAL STRUCTURES HAVING EXCELLENT GRAIN SIZE PROPERTIES</title><author>HASHIMOTO KAZUYA ; IDEGUCHI TAKAHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2022148179A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2022</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>HASHIMOTO KAZUYA</creatorcontrib><creatorcontrib>IDEGUCHI TAKAHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HASHIMOTO KAZUYA</au><au>IDEGUCHI TAKAHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>STEEL FOR MECHANICAL STRUCTURES HAVING EXCELLENT GRAIN SIZE PROPERTIES</title><date>2022-10-06</date><risdate>2022</risdate><abstract>To provide a steel for mechanical structures that can inhibit the coarsening of crystal grains during carburization.SOLUTION: A steel for mechanical structures having excellent grain size properties comprises, in mass%, C: 0.27-0.45%, Si: 0.1-0.9%, Mn: 0.1-0.6%, P (as unavoidable impurities): 0.030% or less, S (as unavoidable impurities): 0.030% or less, Cr: 1.50-2.50%, Mo: 0.1-0.3%, Al: 0.005-0.050%, N: 0.004-0.030%, with the balance being Fe and inevitable impurities. The steel is in an annealed state. The area ratio of lamellar pearlite is 3% or less.SELECTED DRAWING: None 【課題】 浸炭時の結晶粒粗大化を抑制することが可能な機械構造用鋼の提供。【解決手段】 質量％で、Ｃ：０．２７～０．４５％、Ｓｉ：０．１～０．９％、Ｍｎ：０．１～０．６％、Ｐ（不可避不純物として）：０．０３０％以下、Ｓ（不可避不純物として）：０．０３０％以下、Ｃｒ：１．５０～２．５０％、Ｍｏ：０．１～０．３％、Ａｌ：０．００５～０．０５０％、Ｎ：０．００４～０．０３０％を有し、残部Ｆｅおよび不可避的不純物からなる鋼であり、該鋼は焼なましされた状態であって、ラメラーパーライトの面積率が３％以下である、優れた結晶粒度特性を有する機械構造用鋼【選択図】なし</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 STEEL FOR MECHANICAL STRUCTURES HAVING EXCELLENT GRAIN SIZE PROPERTIES
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