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玛钢管件处理质量的控制

文章出处:责任编辑:人气:-发表时间:2015-09-22 09:19【

YI、YINGXIANGCHULIXIAOGUODEZHUYAOYINSU

皇冠足彩CHULISHIYOUYUQIDUIBIANZHIYUANSUDESHILIANGFANWEIYAOQIUSHENZHAI,YINERJIAOZHIQIUMOZHUTIEGENGNANWENDING。ZHEIJIUYAOQIUYOUGUANDEGONGYIYINSUBIXULIQIUJINSHAOBODONG。KANAIFUWEININJIESHAODUIMAGANGGUANJIANCHULIXIAOGUOYINGXIANGJIAODADEGONGYIYINSUZHUYAOYOUYIXIAJIGEFANGMIAN。

1、YUANTIESHUIDEHANLIULIANG

硫消耗变质元素。它与镁、铈、钙等都有很强的化合力,铁水中含硫高,则有较多的变质剂被硫化成渣,因而降低了变质能力而导致处理不成功。因此,在生产玛钢管件时应该尽量选用含琉较低的生铁和焦炭。有条件时,采取预先脱硫措施是有益的。但这并不是说用含硫较高的铁水就不可能处理成功玛钢管件。国内外许多工厂用含硫量高达0.06-0.08%的冲天炉铁水也能稳定地生产玛钢管件,只不过变质合金的用量要多些。资料介绍了用含硫 0.07-0.13%的铁水生产蠕墨铸铁的经验,认为在一定条件下,可以利用硫的反球化作用如钛一样地起扩大范围的作用。尽管如此,硫量的稳定是处理玛钢管件所必须要求的。

2、CHULITIESHUIDEWENDU

皇冠足彩CHULISHITIESHUIWENDUDEGAODIDUIHEJINXISHOULVYOUXIANZHUDEYINGXIANG,YOUQIDUIMEIXIRUHUAJIGENGSHIRUCI。WENDUYUEGAO,MEIDEQIHUAFEITENGYUEMENGLIE,SHAOSUNYEJIUYUEQIAN,YINERCHULIWENDUJINKENENGDIXIEWEIHAO。WENXIANJIESHAOLEYONGMEITAIFUHEBIANZHIJICHULIMAGANGGUANJIANSHI,BUTONGCHULIWENDUDUICHULIXIAOGUODEYINGXIANG。ZAI1400℃CHULISHI,RUCHONGZHUANGSHIMOZAI95%YISHANG,QIUHENSHAO;ZAI 1280℃CHULISHI,SHIMOQIUJIUCHAOGUOYIBAN。HEJINJIARULIANGSHIXIANGTONGDE,KEJIANCHULIWENDUDUIXISHOULVYINGXIANGZHIDA。

皇冠足彩ZAISHIJISHENGCHANZHONG,CHULIWENDUDEQUEDINGHAIXUKAOLVZHUJIANDUIJIAOZHUWENDUDEYAOQIU。DANSHI,CHULIWENDUBIXUJINKENENGWENDING,RUOWENDUBODONGDASHI,BIXUSHIDANGDIAOZHENGHEJINJIARULIANG,FOUZENANYIBAOZHENGCHULIZHILIANG。

皇冠足彩DUIXITUXIRUHUAJILAISHUO,CHULIWENDUGAOXIEYOULI,WENDUGUODIZEBUYIJUNYUN,SHENZHIBUNENGCHONGFENRONGHUAHEJIN,YINERYINGXIANGCHULIXIAOGUO。

3、CHULICAOZUO

YOUYURUHUACHULIDUIGONGYIYINWENDEBODONGFANYINGMINGAN,YINCIYAOQIUCAOZUOSHANGWUXUYANGE,ZHUNQUE。ZHURUHEJINCHENGFENDEJUNYUNCHENGDU、HEJINDEFUGAIQINGKUANG,TIESHUIYUHEJINDEDINGLIANG,BAZHADANGZHACUOSHIDENG,DOUDUICHULIXIAOGUOYOUZHIJIEDEYINGXIANG。