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2205双相不锈钢特殊不锈钢-双相不锈钢卷板

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下载百科APP个人中心收藏查看天天电玩城的收藏0有用+10播报讨论上传视频用于钢制作的管材同义词2205双相不锈钢(2205双相不锈钢)一般指定义是冶炼制造在其固淬组织中铁素体相与奥氏体相比例各占一半的不锈钢,简称2205不锈钢管,也叫2205双相钢钢管。实际相比例是铁素体占45~55%,相应奥氏体占55~45%,2205双相不锈钢优良的性能是靠适当比例的两相组织来保证的。中文名
铁素体占45~55%
相应奥氏体占55~45%
简    称2205不锈钢管

目录
1定义2化学成分3性能及比较4用途
定义
播报编辑2205双相不锈钢管材具有优良的力学性能和耐蚀性能,以及良好的焊接性,在石油及天然气工业、海洋工程、化学工业等行业具有广泛的用途。石油和天然气工业采用双相不锈钢材料铺设的油气管线长度已超过850Km,绝大部分为2205双相不锈钢无缝钢管(也有部分为S31803双相不锈钢管、2507双相不锈钢管); 西气东输工程由于输送天然气介质的腐蚀性强,高压管道均采用2205双相不锈钢材料。
化学成分
播报编辑二、化学成分CSiMnPSNiCrMoN≦0.030≦1.00≦2.00≦0.030≦0.0154.50~6.5021.00~23.002.90~3.500.14~0.20
性能及比较
播报编辑三、性能及比较2205双相钢管综合了铁素体和奥氏体最有益的性能,具有很好的抗氯离子应力腐蚀开裂,是由21%铬,2.5%钼及4.5%镍氮合金构成的复式不锈钢,它的屈服强度是奥氏体不锈钢的两倍,这一特性使设计者在设计产品时减轻重量,让这种合金比316,317L更具有优势。由于该钢铬和钼的含量都很高,因此具有极好的抗点腐蚀和均匀腐蚀的能力。双相头微组织保证了该钢具有很高的抗应力腐蚀破裂的能力,同时机械强度也很高。双相钢2205304316L备 注抗腐蚀性抗氯化物应力腐蚀性>10004715240%Cacl2 100℃产生腐蚀破裂时间(h)耐孔蚀系数PREN35.418.425.9PREN系数越大,耐孔蚀越强耐晶间腐蚀性优良一般较好耐均匀腐蚀性g.(m2.h)-10.0215712.120%H2So4 60℃ 100h耐疲劳腐蚀性≥优良一般较好力学性能抗拉强度Rm((Mpa)≥6204854851020-1100℃水淬屈服强Rp0.2(Mpa)≥4501701701020-1100℃水淬伸长率A50(%)≥2540401020-1100℃水淬硬度(布氏/洛氏)≤290/30.5187/90187/901020-1100℃水淬物理性能导热系数w/(m. ℃)19181520-100℃线膨胀系数(10-5/℃)13.7161620-100℃焊接性能线热倾向系数小,焊前不需要预热,焊后不需热处理,可与304碳钢焊接原则上不进行焊接预热和焊接后处理焊接易产生高温裂纹综合性能比较优秀较好优良
用途
播报编辑四、用途主要有以下几个方面:中性氯化物环境 \炼油工业 \石油化学和化学工业 \化学工业用输送管道 \石油和天然气工业 \纸浆和造纸工业 \化肥工业 \ 尿素工业 \ 磷肥工业 \海水环境 \能源与环保工业 \轻工和食品工业 \食品和制药工业的设备 \高强度结构件新手上路成长任务编辑入门编辑规则本人编辑天天电玩城有疑问内容质疑在线客服官方贴吧意见反馈投诉建议举报不良信息未通过词条申诉投诉侵权信息封禁查询与解封?2023?Baidu?使用百度前必读?|?百科协议?|?隐私政策?|?百度百科合作平台?|?京ICP证030173号?京公网安备11000002000001号window.PAGE_DATA= {"lemmaId":9914065,"lemmaTitle":"","lemmaDesc":"用于钢制作的管材","lemmaType":0,"uid":272045770,"uname":"双相钢供应商","createTime":1291106445,"updateTime":1683205303,"isDefault":0,"isDeleted":0,"rank":1,"extData":{"audit_comment_category":390,"isBaikeV6":1,"isFrontV6":1,"isSapp":0,"isWaitForPersonal":false,"kpdClassify":[{"id":337597,"name":"其他"}],"lemmaId":4815400,"lemma_id":4815400,"newEditor":1,"origAuditArea":90,"origCommandNo":13001003,"pass_count":14,"redirectFrom":[{"fromLemmaId":669203,"fromTitle":"双相不锈钢2205"},{"fromLemmaId":23664302,"fromTitle":"双相钢2205"},{"fromLemmaId":10851592,"fromTitle":"2205双相不锈钢"},{"fromLemmaId":5356243,"fromTitle":"2205双相钢"}],"subLemmaId":4815561,"uip":"10.99.204.212","updateTime":1683205304,"wapEdit":0},"extFlag":0,"versionId":508886644,"versionUid":5167558133,"versionUname":"罗四夕水","versionContributeFlag":{"flagId":3,"name":"百科分类达人团","url":"https://baike.baidu.com/item/百科分类达人团"},"versionCreateTime":1681968192,"catalog":[{"level":1,"title":"定义","index":"1","uuid":"gnwgetcu15","height":28},{"level":1,"title":"化学成分","index":"2","uuid":"gnwgetcu2y","height":28},{"level":1,"title":"性能及比较","index":"3","uuid":"gnwgetcuse","height":28},{"level":1,"title":"用途","index":"4","uuid":"gnwgetcyhq","height":28}],"abstract":[],"abstractAlbum":{"content":[{"albumId":1,"src":"d788d43f8794a4c26878625902f41bd5ad6e396c","width":619,"height":443,"uuid":"pce396c"}],"desc":"概述图册","total":1,"coverPic":{"albumId":1,"url":"https://bkimg.cdn.bcebos.com/pic/d788d43f8794a4c26878625902f41bd5ad6e396c?x-bce-process=image/resize,m_lfit,w_536,limit_1/quality,Q_70","src":"d788d43f8794a4c26878625902f41bd5ad6e396c","origSrc":"d788d43f8794a4c26878625902f41bd5ad6e396c","width":619,"height":443,"uuid":"pce396c"}},"reference":null,"modules":{"adManager":{"data":{"wapRelatedBusiness":1}},"discussion":{"showHelpEdit":1},"globalConfig":{"data":{"serviceAdLemmaCategory":[337597,337474]}},"paper":{"switch":false},"renwuguanxi":{"isShow":false},"second":{"head":[{"secondId":57629257,"type":1,"form":2,"style":1,"source":100,"sourceId":"4947104233660686870","authorType":0,"platform":99,"lemma":{"relType":1,"relValue":{"level":""},"te":0,"ts":0,"tw":0,"type":3,"weight":0},"score":2,"createTime":1652119004,"publishTime":1652339781,"isPay":0,"collectionId":0}]},"pinzhuan":{}},"albums":[{"albumId":1,"desc":"概述图册","total":1,"coverPic":{"albumId":1,"src":"d788d43f8794a4c26878625902f41bd5ad6e396c","url":"https://bkimg.cdn.bcebos.com/pic/d788d43f8794a4c26878625902f41bd5ad6e396c?x-bce-process=image/resize,m_lfit,w_536,limit_1/quality,Q_70","width":619,"height":443,"desc":"概述图册","uuid":"pce396c"},"content":[{"albumId":1,"src":"d788d43f8794a4c26878625902f41bd5ad6e396c","url":"","width":619,"height":443,"uuid":"pce396c"}]}],"card":{"type":243,"left":[{"key":"name","title":"中文名","isArray":false,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":""}]}]},{"key":"customDefault","title":"铁素体","isArray":false,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":"占45~55%"}]}]}],"right":[{"key":"customDefault","title":"相应奥氏体","isArray":false,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":"占55~45%"}]}]},{"key":"abbreviation","title":"简称","isArray":false,"delimiter":"","data":[{"dataType":"text","text":[{"tag":"text","text":"2205不锈钢管"}]}]}]},"lemmaCnt":1,"tips":{"isPolyseme":0,"viewTip":{"link":"/item/2205%E5%8F%8C%E7%9B%B8%E4%B8%8D%E9%94%88%E9%92%A2","title":"2205双相不锈钢","fromId":10851592,"isPolyseme":0,"fromDesc":"2205双相不锈钢"}},"encodeLemmaId":"ad896505e40661c20cc8f4ec","versionUk":"agJ0-AYeKMYsZs-lCAuxeA","description":"定义是冶炼制造在其固淬组织中铁素体相与奥氏体相比例各占一半的不锈钢,简称2205不锈钢管,也叫2205双相钢钢管。实际相比例是铁素体占45~..."} window.__abbaidu_2020_subidgetf||(window.__abbaidu_2020_subidgetf=function(){return"01000000"}) window.lemma.render() 国内外对应的牌号:S22053、UNS S32205、S31803、SUS329J3L、XCrNiMoN22-5-3、1.4462、00Cr22Ni5Mo3N、022Cr22Ni5Mo3N   化学成分: 牌号 C P S Mn Si Cr Ni Mo N 2205 ≤0.03 ≤0.04 ≤0.03 ≤2.00 ≤1.00 21.0-24.0  4.5-6.5 2.5-3.5 0.08-0.2   机械性能: 牌号 抗拉强度(Mpa) 屈服强度 (Mpa) 延伸率 (%) 硬度 2205 ≥620 ≥450 ≥18  HV≤ 320   物理性能: 密度 (g/cm) 磁性 比热 (J/g.C) 热导率 100C(W/m. 热膨胀率 20~100C (10/C) 7.8 有 0.45 19.0 13.7   特性及应用: 双相不锈钢2205合金是由22%铬,2.5%钼及4.5%镍氮合金构成的复式不锈钢。它具有高强度、良好的冲击韧性以及良好的整体和局部的抗应力腐蚀能力。   压力器皿、高压储藏罐、高压管道、热交换器(化学加工工业)、石油天然气管道、热交换器管件、污水处理系统、纸浆和造纸工业分类器、漂白设备、贮存处理系统、高强度耐腐蚀环境下的回转轴、压榨辊、叶片、叶轮等、轮船或卡车的货物箱、食品加工设备。

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