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詳細解析不銹鋼的特性(化學成分特性)

來源:本站整理 秩名 2016-07-18 瀏覽
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金巴黎彩票 GUANYUBUXIUGANGDEJIEXI,XIANGXIJIEXIBUXIUGANGDETEXING(HUAXUECHENGFENTEXING)。

不銹鋼

一、不銹鋼是什么鋼?

BUXIUGANGSHIGANGDEYIGEZHONGLEI,GANGSHIZHIHANYOUTAN(C)LIANGZAI2%YIXIADECHENGZHIWEIGANG,DAYU2%SHITIE。GANGZAIYELIANGUOCHENGZHONGJIARUGE(Cr)、NIE(Ni)、MENG(Mn)、GUI(Si)、TAI(Ti)、MU(Mo)DENGHEJINYUANSUGAISHANLEGANGDEXINGNENGSHIGANGJUYOULENAIFUXING(JIBUSHANGXIU)JIUSHIWOMENCHANGSHUODEBUXIUGANG。

二、為什么不銹鋼有不同的鋼號?

金巴黎彩票 BUXIUGANGZAIYELIANGUOCHENGDANGZHONG,YOUYUJIARUHEJINYUANSUPINZHONGBUTONG,BUTONGPINZHONGJIARULIANGDEBUTONG。

QITEXINGYESHIBUTONGDE,WEILEJIAYIQUBIEZEGUANSHANGLEBUTONGDEGANGHAO,XIAMIANSHICHANGJIANZHUANGSHIYONGBUXIUGANGBUTONGGANGHAO“HEJINYUANSU”HANLIANGBIAOJINGONGCANKAO:

金巴黎彩票 GANGHAO TAN(C) GUI(Si)MENG(Mn)LIN(P)LIU(S)GE(Cr)NIE(Ni)MU(Mo)TONG(Cu)

304 ≤0.08 ≤1.00 ≤2.00 ≤0.045 ≤0.03 18-20 8-10

301 ≤0.15 ≤1.00 ≤2.00 ≤0.045 ≤0.03 16-18 6-8

金巴黎彩票 202 ≤0.15 ≤1.00 7.5-10 ≤0.05 ≤0.03 17-19 4-6

201 ≤0.15 ≤1.00 5.5-7.5 ≤0.05 ≤0.03 16-18 3.5-5.5

三、什么樣的不銹鋼不易生銹?

YINGXIANGBUXIUGANGXIUSHIDEZHUYAOYINSUYOUSANDIAN:

QIYI:HEJINYUANSUDEDEHANLIANG,YIBANDISHUOGEDEHANLIANGZAI10.5%GANGJIUBUYISHENGXIULE。GENIEDEHANLIANGYUEGAOFANGFUXINGJIUYUEHAO,RU304CAIZHINIEYAODEHANLIANGZAI8-10%,GEDEHANLIANGDADAO18-20%,ZHEYANGDEBUXIU GANGZAIYIBANQINGKUANGXIASHIBUHUISHENGXIUDE。

QIER:SHENGCHANQIYEDEYELIANGONGYIYEHUIYINGXIANGBUXIUGANGDENAIFUSHIXING。YELIANJISHUHAO、SHEBEIXIANJIN、GONGYIXIANJINDEDADEBUXIUGANGCHANGWULUNSHIZAIHEJINYUANSUDEKONGZHI,ZAZHIDEQUCHU、GANGPILENGQUEWENDUDEKONGZHIDOUNENGDEDAOBAOZHENG,YINCICHANPINZHILIANGWENDINGKEKAO,NEIZAIZHILIANGHAO,BUYISHENGXIU。FANZHIYIXIEXIAODEGANGCHANGSHEBEILUOHOU,GONGYILUOHOU,YELIANGUOCHENGZHONG,ZAZHIBUNENGQUCHU,SHENGCHANDECHANPINNANMIANHUISHENGXIU。

金巴黎彩票 QISAN:WAIBUHUANJING,QIHOUGANZAOTONGFENGHAODEHUANJINGBUYISHENGXIU。ERKONGQISHIDUDA,LIANXUYINYUTIANQI、HUOKONGQIZHONGHANSUANJIANDUDADEHUANJINGDIQUJIUYISHENGXIU。304CAIZHIBUXIUGANG,RUGUOZHOUBIANHUANJINGTAICHAYESHIHUISHENGXIUDE。

四、不銹鋼就是不帶磁,不帶磁就是好不銹鋼嗎?

金巴黎彩票 RUGUOWEIDAICILEJIUBUSHI304LEMA?

金巴黎彩票 HENDUOKEHUDAOSHICHANGMAIBUXIUGANG,ZISHENDAIYIKUAIXIAOCITIE,KANHUOSHIXIYIXIA,RENWEIXIBUSHANGDEJIUSHIHAOBUXIUGANG。BUDAICIJIUBUHUISHENGXIULE,QISHIZHESHIYIZHONGCUOWUDELIJIE。BUXIUGANGDAIBUBUDAICISHIZUZHIJIEGOUJUEDINGDE,GANGSHUIZAININGGUGUOCHENGDANGZHONGYOUYUNINGGUDEWENDUBUTONGHUIXINGCHENG“TIESUTI”

“奧氏體”“馬氏體”等不同組織結構的不銹鋼,其中“鐵素體”“馬氏體”不銹鋼都是帶磁的。而“奧氏體”不銹鋼其綜合力學性能,工藝性能可焊性都好,但僅從耐腐蝕性而言帶磁的“鐵素體”不銹鋼要強于“奧氏體”不銹鋼。目前市場流通的高含錳少含鎳的所謂200系列、300系列不銹鋼也不帶磁,但其性能與高含鎳的304的差距很大,反而,304經過拉伸、退火、拋光、鑄造等工藝處理也會微帶磁性,因此用不銹鋼帶不帶磁來判斷不銹鋼的優劣是一種誤解,也是不科學的。

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