電(dian)(dian)(dian)梯(ti)(ti)作為(wei)辦(ban)公、生(sheng)活中(zhong)常(chang)用到的(de)(de)(de)(de)垂直(zhi)方向的(de)(de)(de)(de)運輸(shu)工具，在高層樓(lou)房(fang)和公共(gong)場所已(yi)經成為(wei)不可或缺的(de)(de)(de)(de)建(jian)筑配備。技(ji)術的(de)(de)(de)(de)發展及人民(min)的(de)(de)(de)(de)生(sheng)活消(xiao)費水(shui)平的(de)(de)(de)(de)提升，也帶動了電(dian)(dian)(dian)梯(ti)(ti)產(chan)業的(de)(de)(de)(de)迅速發展。2020年中(zhong)國電(dian)(dian)(dian)梯(ti)(ti)保有量800萬(wan)臺，占全球電(dian)(dian)(dian)梯(ti)(ti)保有量的(de)(de)(de)(de)40％以上，2020年中(zhong)國電(dian)(dian)(dian)梯(ti)(ti)產(chan)量105萬(wan)噸，占全球電(dian)(dian)(dian)梯(ti)(ti)總產(chan)量的(de)(de)(de)(de)70％以上。受(shou)全球疫(yi)情的(de)(de)(de)(de)影響，2020年中(zhong)國電(dian)(dian)(dian)梯(ti)(ti)出口量大幅下降(jiang)為(wei)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(han)鈦(tai)(tai)超(chao)純(chun)鐵(tie)素(su)體(ti)不(bu)銹鋼(gang)(gang)(gang)BX439、B443NT不(bu)能(neng)(neng)(neng)用于磨(mo)(mo)拋鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)電(dian)(dian)(dian)梯(ti)板(ban)的(de)(de)(de)(de)問題，2014年寶鋼(gang)(gang)(gang)與(yu)中(zhong)科院沈陽(yang)金(jin)(jin)(jin)屬所、三(san)菱(ling)電(dian)(dian)(dian)梯(ti)一(yi)道，開(kai)(kai)展了(le)(le)(le)(le)中(zhong)信-CBMM-寶鋼(gang)(gang)(gang)技(ji)術(shu)合作項目(mu)“電(dian)(dian)(dian)梯(ti)用高等(deng)級表面(mian)(mian)(mian)(mian)(mian)(mian)含(han)鈮鐵(tie)素(su)體(ti)不(bu)銹鋼(gang)(gang)(gang)開(kai)(kai)發及關(guan)鍵技(ji)術(shu)研(yan)(yan)究”，聯合開(kai)(kai)發了(le)(le)(le)(le)可(ke)用于研(yan)(yan)磨(mo)(mo)8K的(de)(de)(de)(de)超(chao)純(chun)鐵(tie)素(su)體(ti)不(bu)銹鋼(gang)(gang)(gang)B443Nb。上海三(san)菱(ling)電(dian)(dian)(dian)梯(ti)于2016年開(kai)(kai)始對寶鋼(gang)(gang)(gang)試制(zhi)B443Nb樣板(ban)（BA大板(ban)）開(kai)(kai)展了(le)(le)(le)(le)鋼(gang)(gang)(gang)板(ban)研(yan)(yan)磨(mo)(mo)、耐(nai)蝕(shi)性(xing)能(neng)(neng)(neng)和(he)加(jia)(jia)(jia)工(gong)性(xing)能(neng)(neng)(neng)測(ce)試。鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)研(yan)(yan)磨(mo)(mo)加(jia)(jia)(jia)工(gong)結果顯(xian)示，B443Nb與(yu)304的(de)(de)(de)(de)鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)板(ban)外觀效果基本一(yi)致，表明(ming)B443Nb對高質(zhi)(zhi)量(liang)表面(mian)(mian)(mian)(mian)(mian)(mian)加(jia)(jia)(jia)工(gong)的(de)(de)(de)(de)適應(ying)性(xing)達到了(le)(le)(le)(le)預(yu)期的(de)(de)(de)(de)效果；循(xun)環鹽霧(wu)測(ce)試表明(ming)，B443Nb 8K樣品(pin)(pin)耐(nai)蝕(shi)性(xing)好于SUS304 發紋，與(yu)SUS3048K鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)接(jie)近；加(jia)(jia)(jia)工(gong)性(xing)能(neng)(neng)(neng)方(fang)面(mian)(mian)(mian)(mian)(mian)(mian)，在(zai)鈑(ban)金(jin)(jin)(jin)件(jian)(jian)流(liu)水線(xian)上進行了(le)(le)(le)(le)制(zhi)作電(dian)(dian)(dian)梯(ti)轎廂壁(bi)的(de)(de)(de)(de)落(luo)料、沖孔、折邊等(deng)常(chang)規加(jia)(jia)(jia)工(gong)，并對小樣進行了(le)(le)(le)(le)激(ji)光切(qie)割，結果表明(ming)加(jia)(jia)(jia)工(gong)性(xing)能(neng)(neng)(neng)完(wan)全符(fu)合鈑(ban)金(jin)(jin)(jin)件(jian)(jian)流(liu)水線(xian)加(jia)(jia)(jia)工(gong)設備要求。在(zai)鋼(gang)(gang)(gang)板(ban)測(ce)試結果全面(mian)(mian)(mian)(mian)(mian)(mian)滿足性(xing)能(neng)(neng)(neng)要求的(de)(de)(de)(de)基礎上，試制(zhi)了(le)(le)(le)(le)兩個電(dian)(dian)(dian)梯(ti)轎廂，分別考察了(le)(le)(le)(le)鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)、鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)鍍(du)鈦(tai)(tai)、鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)蝕(shi)刻鍍(du)鈦(tai)(tai)、和(he)紋鍍(du)鈦(tai)(tai)4種(zhong)(zhong)表面(mian)(mian)(mian)(mian)(mian)(mian)處理(li)(li)，以(yi)及鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)、和(he)紋鍍(du)鈦(tai)(tai)、和(he)紋蝕(shi)刻鍍(du)鈦(tai)(tai)、砂紋鍍(du)鈦(tai)(tai)4種(zhong)(zhong)表面(mian)(mian)(mian)(mian)(mian)(mian)處理(li)(li)。從(cong)表面(mian)(mian)(mian)(mian)(mian)(mian)質(zhi)(zhi)量(liang)上看，試制(zhi)的(de)(de)(de)(de)轎廂已基本覆蓋(gai)了(le)(le)(le)(le)上海三(san)菱(ling)電(dian)(dian)(dian)梯(ti)常(chang)用的(de)(de)(de)(de)不(bu)銹鋼(gang)(gang)(gang)表面(mian)(mian)(mian)(mian)(mian)(mian)處理(li)(li)種(zhong)(zhong)類，且(qie)壁(bi)板(ban)表面(mian)(mian)(mian)(mian)(mian)(mian)質(zhi)(zhi)量(liang)令(ling)人滿意(yi)。該產品(pin)(pin)的(de)(de)(de)(de)成功開(kai)(kai)發，填補了(le)(le)(le)(le)電(dian)(dian)(dian)梯(ti)鏡(jing)面(mian)(mian)(mian)(mian)(mian)(mian)板(ban)用超(chao)純(chun)鐵(tie)素(su)體(ti)不(bu)銹鋼(gang)(gang)(gang)產品(pin)(pin)的(de)(de)(de)(de)空(kong)白，促進了(le)(le)(le)(le)寶鋼(gang)(gang)(gang)超(chao)純(chun)鐵(tie)素(su)體(ti)不(bu)銹鋼(gang)(gang)(gang)在(zai)超(chao)低碳氮冶煉、純(chun)凈(jing)化冶煉、熱軋輥跡表面(mian)(mian)(mian)(mian)(mian)(mian)缺陷控制(zhi)等(deng)關(guan)鍵技(ji)術(shu)的(de)(de)(de)(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。

  酒鋼建筑裝飾用超(chao)純(chun)鐵素(su)體材料在西(xi)奧(ao)、迅達、三菱、日立電梯(ti)得(de)到應用。

 至德鋼業，我(wo)們根據(ju)您的實際需求，給出參考建議，為您提供高性價比(bi)的不銹鋼管道及配(pei)件。