在线亚洲日产一区二区

電(dian)(dian)梯(ti)作(zuo)為辦公、生活中(zhong)(zhong)常用(yong)到的(de)垂直方(fang)向(xiang)的(de)運輸工具，在高層樓房和公共場所已經成為不可或缺的(de)建筑配備。技術的(de)發(fa)展及人民的(de)生活消費水(shui)平的(de)提升，也帶動了電(dian)(dian)梯(ti)產業的(de)迅(xun)速發(fa)展。2020年(nian)中(zhong)(zhong)國(guo)電(dian)(dian)梯(ti)保(bao)(bao)有量(liang)800萬(wan)臺，占全(quan)(quan)球電(dian)(dian)梯(ti)保(bao)(bao)有量(liang)的(de)40％以(yi)上，2020年(nian)中(zhong)(zhong)國(guo)電(dian)(dian)梯(ti)產量(liang)105萬(wan)噸，占全(quan)(quan)球電(dian)(dian)梯(ti)總產量(liang)的(de)70％以(yi)上。受(shou)全(quan)(quan)球疫(yi)情的(de)影(ying)響，2020年(nian)中(zhong)(zhong)國(guo)電(dian)(dian)梯(ti)出口量(liang)大(da)幅下降為7.5萬(wan)臺。

基于電梯行業需求，寶鋼自2007年開始，分別與國內知名電梯品牌廣州日立電梯、上海三菱電梯一道，聯合開發了電梯轎廂用超純鐵素體不銹鋼BX439和B443NT產品。前期三菱電梯對B443NT研磨拉絲面板開展了中性鹽霧、加速腐蝕試驗等耐蝕性評價及螺柱焊接、落料、沖孔、折邊等加工評價。評價結果表明，B443NT耐蝕性能與304相當，加工性能完全符合鈑金件流水線加工設備要求。

針對含鈦超(chao)(chao)純(chun)(chun)(chun)鐵(tie)(tie)(tie)素(su)(su)(su)體(ti)(ti)不(bu)(bu)(bu)(bu)銹鋼BX439、B443NT不(bu)(bu)(bu)(bu)能(neng)(neng)用(yong)(yong)于磨(mo)(mo)(mo)拋鏡(jing)(jing)面(mian)(mian)(mian)電梯(ti)板(ban)(ban)的(de)問題，2014年(nian)寶(bao)(bao)鋼與(yu)中(zhong)科院沈陽金屬所、三(san)(san)菱電梯(ti)一道，開展了(le)(le)(le)中(zhong)信-CBMM-寶(bao)(bao)鋼技(ji)術(shu)合(he)作(zuo)項目“電梯(ti)用(yong)(yong)高(gao)等級表(biao)面(mian)(mian)(mian)含鈮鐵(tie)(tie)(tie)素(su)(su)(su)體(ti)(ti)不(bu)(bu)(bu)(bu)銹鋼開發(fa)及關鍵技(ji)術(shu)研究”，聯合(he)開發(fa)了(le)(le)(le)可用(yong)(yong)于研磨(mo)(mo)(mo)8K的(de)超(chao)(chao)純(chun)(chun)(chun)鐵(tie)(tie)(tie)素(su)(su)(su)體(ti)(ti)不(bu)(bu)(bu)(bu)銹鋼B443Nb。上(shang)海(hai)三(san)(san)菱電梯(ti)于2016年(nian)開始對寶(bao)(bao)鋼試(shi)制(zhi)(zhi)B443Nb樣板(ban)(ban)（BA大板(ban)(ban)）開展了(le)(le)(le)鋼板(ban)(ban)研磨(mo)(mo)(mo)、耐蝕性(xing)(xing)能(neng)(neng)和(he)加(jia)(jia)(jia)(jia)工(gong)(gong)性(xing)(xing)能(neng)(neng)測(ce)試(shi)。鏡(jing)(jing)面(mian)(mian)(mian)研磨(mo)(mo)(mo)加(jia)(jia)(jia)(jia)工(gong)(gong)結(jie)果(guo)顯示，B443Nb與(yu)304的(de)鏡(jing)(jing)面(mian)(mian)(mian)板(ban)(ban)外觀效(xiao)果(guo)基本一致(zhi)，表(biao)明B443Nb對高(gao)質(zhi)量表(biao)面(mian)(mian)(mian)加(jia)(jia)(jia)(jia)工(gong)(gong)的(de)適(shi)應性(xing)(xing)達到了(le)(le)(le)預(yu)期的(de)效(xiao)果(guo)；循環鹽霧測(ce)試(shi)表(biao)明，B443Nb 8K樣品(pin)耐蝕性(xing)(xing)好于SUS304 發(fa)紋，與(yu)SUS3048K鏡(jing)(jing)面(mian)(mian)(mian)接近(jin)；加(jia)(jia)(jia)(jia)工(gong)(gong)性(xing)(xing)能(neng)(neng)方面(mian)(mian)(mian)，在鈑金件(jian)流水(shui)(shui)線上(shang)進(jin)(jin)行了(le)(le)(le)制(zhi)(zhi)作(zuo)電梯(ti)轎廂(xiang)壁(bi)(bi)的(de)落料、沖孔、折邊等常規加(jia)(jia)(jia)(jia)工(gong)(gong)，并(bing)對小樣進(jin)(jin)行了(le)(le)(le)激光切(qie)割，結(jie)果(guo)表(biao)明加(jia)(jia)(jia)(jia)工(gong)(gong)性(xing)(xing)能(neng)(neng)完全(quan)符(fu)合(he)鈑金件(jian)流水(shui)(shui)線加(jia)(jia)(jia)(jia)工(gong)(gong)設備(bei)要求。在鋼板(ban)(ban)測(ce)試(shi)結(jie)果(guo)全(quan)面(mian)(mian)(mian)滿足性(xing)(xing)能(neng)(neng)要求的(de)基礎上(shang)，試(shi)制(zhi)(zhi)了(le)(le)(le)兩個(ge)電梯(ti)轎廂(xiang)，分(fen)別(bie)考(kao)察了(le)(le)(le)鏡(jing)(jing)面(mian)(mian)(mian)、鏡(jing)(jing)面(mian)(mian)(mian)鍍(du)(du)鈦、鏡(jing)(jing)面(mian)(mian)(mian)蝕刻(ke)鍍(du)(du)鈦、和(he)紋鍍(du)(du)鈦4種(zhong)(zhong)表(biao)面(mian)(mian)(mian)處理(li)，以(yi)及鏡(jing)(jing)面(mian)(mian)(mian)、和(he)紋鍍(du)(du)鈦、和(he)紋蝕刻(ke)鍍(du)(du)鈦、砂紋鍍(du)(du)鈦4種(zhong)(zhong)表(biao)面(mian)(mian)(mian)處理(li)。從表(biao)面(mian)(mian)(mian)質(zhi)量上(shang)看，試(shi)制(zhi)(zhi)的(de)轎廂(xiang)已基本覆蓋了(le)(le)(le)上(shang)海(hai)三(san)(san)菱電梯(ti)常用(yong)(yong)的(de)不(bu)(bu)(bu)(bu)銹鋼表(biao)面(mian)(mian)(mian)處理(li)種(zhong)(zhong)類，且壁(bi)(bi)板(ban)(ban)表(biao)面(mian)(mian)(mian)質(zhi)量令人滿意。該產(chan)品(pin)的(de)成功(gong)開發(fa)，填補了(le)(le)(le)電梯(ti)鏡(jing)(jing)面(mian)(mian)(mian)板(ban)(ban)用(yong)(yong)超(chao)(chao)純(chun)(chun)(chun)鐵(tie)(tie)(tie)素(su)(su)(su)體(ti)(ti)不(bu)(bu)(bu)(bu)銹鋼產(chan)品(pin)的(de)空(kong)白，促(cu)進(jin)(jin)了(le)(le)(le)寶(bao)(bao)鋼超(chao)(chao)純(chun)(chun)(chun)鐵(tie)(tie)(tie)素(su)(su)(su)體(ti)(ti)不(bu)(bu)(bu)(bu)銹鋼在超(chao)(chao)低碳氮冶煉、純(chun)(chun)(chun)凈(jing)化冶煉、熱軋(ya)輥跡表(biao)面(mian)(mian)(mian)缺陷控制(zhi)(zhi)等關鍵技(ji)術(shu)的(de)提升。

寶鋼生產的電梯面板用超純鐵素體不銹鋼產品耐蝕性與奧氏體不銹鋼304相當，價格比304不銹鋼更低，且價格穩定，深受電梯行業歡迎。三菱電梯對B443NT及B443Nb 鐵素體不銹鋼需求量占其不銹鋼用量的70％～75％，2014～2018年累計采購5.7萬多噸，比奧氏體不銹鋼304節省成本10619萬元。同時，節約貴重鎳金屬資源4500余噸。

酒鋼建筑裝(zhuang)飾用超純鐵(tie)素體材料在西奧、迅達、三(san)菱、日立(li)電梯得(de)到應用。