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9Cr2Mo合金圓鋼-合金結(jié)構(gòu)鋼

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個(gè)人中心收藏查看我的收藏0有用+10播報(bào)討論上傳視頻Cr2系冷軋輥用鋼（國(guó)際牌號(hào)：德國(guó)DIN 90Cr3/W-Nr.1.2056、俄羅斯ГОСТ 9X1、英國(guó)BS BL3）是一種Cr2系冷軋輥用鋼，主要應(yīng)用于制造冷軋工作輥、支承輥、壓軋輥及冷沖模等部件 [1]。其化學(xué)成分包括碳（0.85%-0.95%）、鉻（1.70%-2.10%）、鉬（0.20%-0.40%）及微量錳、硅、磷、硫元素，通過(guò)淬火（880-900℃）和回火處理可實(shí)現(xiàn)60-65HRC的高硬度。該材料制造的冷軋輥直徑適用范圍為≤900mm，輥身表面硬度根據(jù)直徑差異分布在HS80-98，對(duì)應(yīng)有效淬硬層厚度為6-15mm；輥頸硬度控制在HS30-55，滿足工業(yè)軋制設(shè)備對(duì)耐磨性及尺寸穩(wěn)定性的需求。熱處理工藝涵蓋球化退火（790-810℃）、淬火（水、油或PAG淬火液冷卻）等多階段技術(shù)，確保材料組織均勻性及性能優(yōu)化。中文名
化學(xué)成分C，Cr，Mn，Mo

目錄
1化學(xué)成份2參考對(duì)應(yīng)牌號(hào)3熱處理工藝4應(yīng)用舉例
化學(xué)成份
播報(bào)編輯碳C:0.85～0.95；鉻Cr:1.70～2.10；錳Mn:0.20～0.35；鉬Mo:0.20～0.40；鎳Ni:≤0.25；磷P:≤0.025；硫S:≤0.025；硅Si:0.25～0.45
參考對(duì)應(yīng)牌號(hào)
播報(bào)編輯中國(guó)GB 標(biāo)準(zhǔn)牌號(hào) 、德國(guó) DIN 標(biāo)準(zhǔn)牌號(hào) 90Cr3、德國(guó) DIN 標(biāo)準(zhǔn)編號(hào) W-Nr. 1.2056、. 俄羅斯 r0CT 標(biāo)準(zhǔn)牌號(hào) 9X1 、英國(guó) BS 標(biāo)準(zhǔn)牌號(hào) BL3 [1]
熱處理工藝
播報(bào)編輯1、球化退火：790~810℃加熱，650~670℃℃等溫，≤500℃出爐空冷；2、淬火：加熱溫度=880~900℃，淬火冷卻：根據(jù)不同的工件結(jié)構(gòu)，不同的要求，可以采用水、PAG淬火液、油等冷卻介質(zhì)。注：此材料為典型的Cr2系冷軋輥用鋼。3、臨界點(diǎn)溫度 (近似值)：Ac1 =740°C 、 Ar1 =700°C、 Accm :850°C4、冷壓毛坯普通軟化規(guī)范：(820±10)°c ×3 ~4h, 以.≤15°C /h的冷卻速度, 隨爐緩冷至≤650°C, 出爐空冷。5、冷壓毛坯等溫球化軟化規(guī)范：(820±10)°C ×3 ~4h, (720 ±10) °C ×6 ~8h, 再隨爐緩冷至≤600°C, 出爐空冷。處理前硬度≤217HBW, 處理后硬度≥170HBW。6、正火規(guī)范：正火溫度 900 ~920°C, 硬度 302 -388HBW。7、成批等溫球化退火規(guī)范：790 ~810°C ×2 ~3h, 爐冷, 7O0 -720°C ×3 ~4h, 硬度≤217HBW, 珠光體組織2-5 級(jí), 網(wǎng)狀碳化物等級(jí)≤2 級(jí)。8、淬火、回火規(guī)范（1）淬火溫度 830 - 850°C, 硬度 62 ~65HRC, 回火溫度 130 ~150°C, 硬度 62 ~65HRC。（2）淬火溫度 840 ~ 860°C, 硬度 61~63HRC, 回火溫度 150 ~170°C, 硬度 60 ~62HRC。
應(yīng)用舉例
播報(bào)編輯冷軋工作輥,用作工作輥或支承輥。冷軋輥直徑:≤300mm時(shí),輥身表面硬度范圍HS≥95、90～98、80～90,其相應(yīng)有效淬硬層厚度分別為≥6、8、10:301～600mm時(shí),為≥10、12、15:601～900mm時(shí),為≥8、10、12。輥頸硬度范圍HS=30～55新手上路成長(zhǎng)任務(wù)編輯入門(mén)編輯規(guī)則本人編輯我有疑問(wèn)內(nèi)容質(zhì)疑在線客服官方貼吧意見(jiàn)反饋投訴建議舉報(bào)不良信息未通過(guò)詞條申訴投訴侵權(quán)信息封禁查詢與解封?2025?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺(tái)?|?京ICP證030173號(hào)?京公網(wǎng)安備11000002000001號(hào)window.PAGE_DATA= {"lemmaId":4781116,"lemmaTitle":"","lemmaDesc":"Cr2系冷軋輥用鋼","lemmaType":0,"uid":456858167,"uname":"恒利達(dá)金屬","createTime":1316397134,"updateTime":1750277065,"isDefault":0,"isDeleted":0,"rank":1,"extData":{"classify":[{"id":1033565,"idPath":"1033565/1033595/1033764","leafId":1033764,"leafName":"材料","mainCategory":1,"name":"應(yīng)用科學(xué)","path":"應(yīng)用科學(xué)/材料學(xué)/材料"}],"discussion":{"relateInfo":[{"relateId":33010,"relateType":1},{"relateId":32990,"relateType":1}]},"isBaikeV6":1,"isFrontV6":1,"isSapp":0,"isWaitForPersonal":false,"is_locked":0,"kpdClassify":[{"id":337502,"name":"工業(yè)產(chǎn)品"}],"lemmaId":6497362,"lemma_id":6497362,"newEditor":1,"origAuditArea":90,"origCommandNo":13001003,"pass_count":16,"subLemmaId":6613092,"uip":"10.99.204.212","updateTime":1750277065,"wapEdit":0},"extFlag":0,"versionId":648501864,"versionUid":6863148967,"versionUname":"星際流浪日記","versionCreateTime":1750277063,"catalog":[{"level":1,"title":"化學(xué)成份","index":"1","uuid":"gnyxydmfob","height":28},{"level":1,"title":"參考對(duì)應(yīng)牌號(hào)","index":"2","uuid":"gnyxydpcwz","height":28},{"level":1,"title":"熱處理工藝","index":"3","uuid":"gnyxydmg35","height":28},{"level":1,"title":"應(yīng)用舉例","index":"4","uuid":"gnyxydmga2","height":28}],"abstract":[],"abstractAlbum":{"content":[{"albumId":1,"src":"6a63f6246b600c33874474e28b18460fd9f9d72a0bc6","width":500,"height":500,"uuid":"tbPkXzANGyaH"}],"desc":"的概述圖","total":1,"coverPic":{"albumId":1,"url":"https://bkimg.cdn.bcebos.com/pic/6a63f6246b600c33874474e28b18460fd9f9d72a0bc6?x-bce-process=image/resize,m_lfit,w_536,limit_1/quality,Q_70","src":"6a63f6246b600c33874474e28b18460fd9f9d72a0bc6","origSrc":"6a63f6246b600c33874474e28b18460fd9f9d72a0bc6","width":500,"height":500,"uuid":"tbPkXzANGyaH"},"wapPic":{"src":"d62a6059252dd42a28349c81926f4cb5c9ea15ce12c6","origSrc":"6a63f6246b600c33874474e28b18460fd9f9d72a0bc6","width":501,"height":334,"uuid":"tbPkYYTsg1Fr"},"sharePic":{"src":"d52a2834349b033b5bb562f0849a21d3d539b60017c6","origSrc":"6a63f6246b600c33874474e28b18460fd9f9d72a0bc6","width":500,"height":500,"uuid":"tbPkZ6ITZLlD"}},"reference":[{"type":2,"title":"《新編工模具鋼660種》","author":"李書(shū)常","publisher":"化學(xué)工業(yè)出版社","publishYear":"2008年","refPage":"64","index":1,"uuid":"gnyxydp9vx"}],"modules":{"adManager":{"data":{"discussionHelpEdit":0,"wapRelatedBusiness":1}},"discussion":{"showHelpEdit":1},"globalConfig":{"data":{"serviceAdLemmaCategory":[337597,337474]}},"paper":{"switch":false},"pinzhuan":{}},"albums":[{"albumId":1,"desc":"概述圖冊(cè)","total":1,"coverPic":{"albumId":1,"src":"6a63f6246b600c33874474e28b18460fd9f9d72a0bc6","url":"https://bkimg.cdn.bcebos.com/pic/6a63f6246b600c33874474e28b18460fd9f9d72a0bc6?x-bce-process=image/resize,m_lfit,w_536,limit_1/quality,Q_70","width":500,"height":500,"desc":"概述圖冊(cè)","uuid":"tbPkXzANGyaH"},"content":[{"albumId":1,"src":"6a63f6246b600c33874474e28b18460fd9f9d72a0bc6","url":"","width":500,"height":500,"uuid":"tbPkXzANGyaH"}]}],"card":{"type":243,"left":[{"key":"name","title":"中文名","isArray":false,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":""}]}]}],"right":[{"key":"customDefault","title":"化學(xué)成分","isArray":false,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":"C，Cr，Mn，Mo"}]}]}]},"lemmaCnt":1,"tips":{"isPolyseme":0},"encodeLemmaId":"6985b0e64b4db9b9c441d051","versionUk":"cQNv3B6tphyga_d-B4SwAA","description":"（國(guó)際牌號(hào)：德國(guó)DIN 90Cr3/W-Nr.1.2056、俄羅斯ГОСТ 9X1、英國(guó)BS BL3）是一種Cr2系冷軋輥用鋼，主要應(yīng)用于制造冷軋工作輥、支承輥..."}window.__abbaidu_2020_subidgetf||(window.__abbaidu_2020_subidgetf=function(){return"01000000"}) 9Cr2Mo 9Cr2Mo材料為典型的Cr2系冷軋輥用鋼。用于制造冷軋用的輥、壓扎輥、冷沖模及沖頭等。中文名 9Cr2Mo 化學(xué)成分 C，Cr，Mn，Mo化學(xué)成份碳C0.85～0.95；鉻Cr1.70～2.10；錳Mn0.20～0.35；鉬Mo0.20～0.40；鎳Ni≤0.25；磷P≤0.025；硫S≤0.025；硅Si0.25～0.45參考對(duì)應(yīng)牌號(hào)中國(guó)GB 標(biāo)準(zhǔn)牌號(hào) 9Cr2Mo、德國(guó) DIN 標(biāo)準(zhǔn)牌號(hào) 90Cr3、德國(guó) D]N 標(biāo)準(zhǔn)編號(hào) W-Nr. 1.2056、. 俄羅斯 r0CT 標(biāo)準(zhǔn)牌號(hào) 9X1 、英國(guó) BS 標(biāo)準(zhǔn)牌號(hào) BL3 [1] 熱處理工藝1、球化退火：790~810℃加熱，650~670℃℃等溫，≤500℃出爐空冷；2、淬火：加熱溫度=880~900℃，淬火冷卻：根據(jù)不同的工件結(jié)構(gòu)，不同的要求，可以采用水、PAG淬火液、油等冷卻介質(zhì)。注：此材料為典型的Cr2系冷軋輥用鋼。3、臨界點(diǎn)溫度 (近似值)：Ac1 =740°C 、 Ar1 =700°C、 Accm 850°C4、冷壓毛坯普通軟化規(guī)范：(820±10)°c ×3 ~4h, 以.≤15°C h的冷卻速度, 隨爐緩冷至≤650°C, 出爐空冷。5、冷壓毛坯等溫球化軟化規(guī)范：(820±10)°C ×3 ~4h, (720 ±10) °C ×6 ~8h, 再隨爐緩冷至≤600°C, 出爐空冷。處理前硬度≤217HBW, 處理后硬度≥170HBW。6、正火規(guī)范：正火溫度 900 ~920°C, 硬度 302 -388HBW。7、成批等溫球化退火規(guī)范：790 ~810°C ×2 ~3h, 爐冷, 7O0 -720°C ×3 ~4h, 硬度≤217HBW, 珠光體組織2-5 級(jí), 網(wǎng)狀碳化物等級(jí)≤2 級(jí)。8、淬火、回火規(guī)范1) 淬火溫度 830 - 850°C, 硬度 62 ~65HRC, 回火溫度 130 ~150°C, 硬度 62 ~65HRC。2) 淬火溫度 840 ~ 860°C, 硬度 61~63HRC, 回火溫度 150 ~170°C, 硬度 60 ~62HRC。應(yīng)用舉例冷軋工作輥,用作工作輥或支承輥。冷軋輥直徑≤300mm時(shí),輥身表面硬度范圍HS≥95、90～98、80～90,其相應(yīng)有效淬硬層厚度分別為≥6、8、10301～600mm時(shí),為≥10、12、15601～900mm時(shí),為≥8、10、12。輥頸硬度范圍HS=30～55

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