前(qian)不久,由攀(pan)鋼研制的(de)大功(gong)率電(dian)爐用(yong)(yong)(yong)高性能Cr20Ni80電(dian)熱(re)合金線材產品試用(yong)(yong)(yong)周期(qi)超過一(yi)年(nian),使用(yong)(yong)(yong)壽命(ming)高出國內同行(xing)業平均水平40%以上,其他綜合指標(biao)也獲(huo)得試用(yong)(yong)(yong)客戶(hu)好評。經客戶(hu)論(lun)證,成(cheng)功(gong)獲(huo)得可參與招標(biao)的(de)合格(ge)供貨商(shang)資格(ge)。


據悉,Cr20Ni80電(dian)(dian)熱合金具(ju)有熔點(dian)高(gao)(gao)、電(dian)(dian)阻率高(gao)(gao)、電(dian)(dian)阻溫(wen)度系數(shu)小、高(gao)(gao)中(zhong)低溫(wen)抗氧化(hua)性(xing)能好(hao)等(deng)(deng)特點(dian),多用于(yu)生產電(dian)(dian)熱元(yuan)(yuan)件、高(gao)(gao)中(zhong)溫(wen)電(dian)(dian)阻元(yuan)(yuan)件、應力測量(liang)元(yuan)(yuan)件和特殊元(yuan)(yuan)件等(deng)(deng),是電(dian)(dian)氣領域重要的基(ji)礎材料。


我國是電熱合(he)(he)金(jin)的主(zhu)要消耗國,國內電熱合(he)(he)金(jin)生(sheng)產(chan)(chan)(chan)(chan)企(qi)業以中小(xiao)型民營企(qi)業為主(zhu)。與進口產(chan)(chan)(chan)(chan)品(pin)(pin)相比(bi),國產(chan)(chan)(chan)(chan)電熱合(he)(he)金(jin)產(chan)(chan)(chan)(chan)品(pin)(pin)在質量(liang)、性能(neng)及(ji)(ji)使用壽命上均存在較大(da)差距。基于國內產(chan)(chan)(chan)(chan)業升級與進口替代的強(qiang)烈需(xu)求,攀(pan)鋼(gang)科研人(ren)員(yuan)從(cong)材(cai)料設計(ji)出發(fa),系統研究合(he)(he)金(jin)成分(fen)、冶(ye)煉工藝(yi)(yi)、加(jia)工工藝(yi)(yi)及(ji)(ji)熱處(chu)理工藝(yi)(yi)等因素(su)對Cr20Ni80電熱合(he)(he)金(jin)性能(neng)的影響規律,深度優化Cr20Ni80電熱合(he)(he)金(jin)成分(fen)及(ji)(ji)全(quan)流程生(sheng)產(chan)(chan)(chan)(chan)工藝(yi)(yi)。經多輪次實(shi)驗(yan)室小(xiao)錠型試(shi)驗(yan)驗(yan)證和(he)數值模(mo)擬(ni)驗(yan)證后,通過工業試(shi)制,成功(gong)打通大(da)功(gong)率(lv)電爐(lu)用高性能(neng)Cr20Ni80電熱合(he)(he)金(jin)線材(cai)產(chan)(chan)(chan)(chan)品(pin)(pin)生(sheng)產(chan)(chan)(chan)(chan)全(quan)流程工藝(yi)(yi),首次完(wan)成噸級成品(pin)(pin)試(shi)制,產(chan)(chan)(chan)(chan)品(pin)(pin)質量(liang)達標,綜合(he)(he)性能(neng)達到國內領先水平。