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行业资讯

不锈钢管中最重要的合金元素——镍的开发 

发布时间:2020-06-08

XIANZAIWOMENLAIKANKANBUXIUGANGGUANZHONGDELINGYIZHONGZHONGJINSHU,TAYINGGAISHIPUTONGJINSHUDEWEIBA,DANTADESHOUJIAXIANZAISHIBUXIUGANGYUANSUZHONGZUIGUIDE,ZHUYAOFENBUZAIYINDUNIXIYAHEELUOSI。ZHONGSHIJISHI,SAKESENKUANGGONGSHITUCONGTAMENRENWEISHITONGKUANGSHIDEHONGZONGSEHONGSHENNIEKUANGZHONGTIQUZHONGJINSHU。YINWEITAMENMEIYOUCHENGGONG,TAMENJUEDEBEISHANSHENYUNONGLE,SHANSHENDANGSHIJIAONIEKEER,MIESHIDIJIAOHONGSHENNIEKUANGTONGHENIEKEER。1751NIAN,RUIDIANHUAXUEJIAHEKUANGWUXUEJIAKELONGSITAITEFAXIANLEZHEIZHONGJINSHU,BINGJIANGQIMINGMINGWEINIE。

镍是一种坚韧的金属,有很强的光泽。304不锈钢无缝管其晶型为面心立方,熔点为1455。镍类似于铁,可以锻造、轧制和拉制成不锈钢丝。镍的抗拉强度为400至700 牛顿/mm2.它具有抗水(包括海水)、碱、盐和许多有机酸腐蚀的能力。它可以与许多元素形成合金,加工成圆柱形物体,我们称之为“不锈钢管”。这些优异的性能使镍能够与铁竞争。不幸的是,镍在自然界中远不如铁丰富。世界镍年产量约为50万吨,仅为不锈钢管的0.101万吨。镍总产量的一半用于钢铁冶金中的合金元素。因此,镍是不锈钢管中最重要的合金元素之一。镍可以提高低合金钢的韧性和强度,提高高合金钢的耐腐蚀性和热稳定性。

JINNIANLAI,NIEHEJINZAIGONGCHENGJISHUZHONGDEZHONGYAOXINGXIANZHUZENGJIA。ZAOZAINIEBIANDERUCIZHUMINGZHIQIAN,TIENIEHEJINJIUYIJINGBEISHIYONGLE,YINWEIYUNSHISHIYIZHONGNIEHANLIANGWEI10%DEHEJIN。GONGYUANQIANERSHIJI,RENLEIYIJINGZHIZAOCHUTONGNIEHEJINYINGBI。HUANGTONGSHIYIZHONGLAIZIGUDAIZHONGGUO,DETONG-NIE-XINHEJIN,XIANGDANGYU19SHIJIZAOQIDEGUOZHIZAODEXIN-BAITONG。NIEHEJINZAIBUXIUGANGGUANDAOGONGCHENGJISHUZHONGDEYINGYONGYIJINGHENWAN,HAIXUYAOZAIGENGDAFANWEINEITUIGUANG。NIETONGHEJINSHIYIZHONGCAILIAO,ZHUYAOYONGYUXUDUOLINGYU,YINWEITAJUYOULIANGHAODEREBIANXINGHELENGBIANXING,GAOQIANGDU,TEBIESHIJIARESHI,RENGRANBAOCHIGAOQIANGDU,GAONAIMOXING,HENSHAOSUIWENDUBIANHUADEDADIANZUHEYOUYIDENAIFUSHIXING。

TONGHENIEKEYIYETAIHEGUTAIWANQUANHUNHE,XINGCHENGYIWENZHOUBUXIUGANGGUANXILIELIANXUDEGURONGTI。TONG-NIEBUXIUGANGGUANDESUOYOUTEXINGZONGSHISUIZHEBUTONGDEHEJINCHENGFENERBIANHUA,ERYIXIETEXINGKEYIDADAOZUIGAOHUOZUIDIZHI。CHUNNIEZAI353YIXIASHITIECIXINGDE。JULIWENDUSUIZHETONGHANLIANGDEZENGJIAERJIANGDI。ZAI20SHI,ZHIYOUHANNIECHAOGUO66DEBUXIUGANGGUANJUYOUTIECIXING。

RUGUOZAITONGNIEBUXIUGANGGUANZHONGBUDUANTIANJIAQITAYUANSU,QIJIAGONGXINGNENGHESHIYONGXINGNENGJIANGHUIDADATIGAO。HAN30%ZHI50%NIEDEHEJINYONGZUODIANZUHEJIN。HAN50%YISHANGNIEDEHEJINNENGNAIGAOWENHENAIFUSHI。TATONGCHANGBEICHENGWEIMENGNAIERHEJIN。ZHEIGEMINGZIZUICHUZHISHIYONGLAIZHIYIZHONGZHIJIECONGJIANADAKUANGSHIZHONGTIQUDE“TIANRAN”HEJIN。

JIARUGEHOU,NIEYENENGKANGYANGHUAHEKANGFUSHI。NIEGEHEJINHENIEGETIEHEJINZUISHIHEZUOWEIDAORECAILIAO。BUXIUGANGGUANZHISUOYIBEICHENGWEICHAOJIHEJIN,SHIYINWEIQIYOUYIDEQIANGDUTEXINGBUJINBAOHANGE、TONGHETIE,HAIBAOHANWU、TAIHELV。JINGRECHULIHOUKEMISANYINGHUA,KANGLAQIANGDUKEDA1000 NIUDUN/mm2,YISHANG,ZAI300 ~ 1000WENDUFANWEINEIJUYOUJIAOGAODEREWENDINGXING,SHIZHIZAOPENQIFADONGJIGONGZUOLUNYEPIANHEDAOXIANGYEPIANDEZUIHESHICAILIAO。CHULECHUNNIEZHIWAI,NIEHEJINHAIBEIYONGLAIZHIZAODIANZIGUANZHONGDEDENGSIHEZHAJI。QITANIEHEJINJUYOUTESHUDECIXINGHUOREPENGZHANGTEXING,YONGYUTESHUDEZHUYINGYONG。

NIEYINQIYOUYIDEXINGNENG,YESHIBUXIUGANGGUANBIAOMIANCHULIJISHUZHONGCHANGYONGDETUCENGCAILIAOZHIYI。NIETUCENGZHUYAOTONGGUODIANDUCHANSHENG。SHIJIESHANGDAYUE20%DENIESHENGCHANYONGYUDIANDU。YOUYUNIEBEIGUANGFANSHIYONG,TAZAISUOYOUCHANGYONGDEBUXIUGANGGUANZHONGZHANJUXIANZHUWEIZHI。RENMENXIANGXINNIEDEZHONGYAOXINGZAIWEILAIHUIJIXUZENGJIA。


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