Lu ko dalee ci ati 1980, amna yokkute yu am solo yuñ def ci defar masin metallurgique yu jëm ci escale bu mag, gaawaay bu kawe, efficacité bu kawe, sakkanal kuuraŋ, wéyal, ak liggéey yu otomatik yu lalu ci teknolosi moulin), sistem yiy gis kuuraŋ (ñu tënk ci jumtukaay yi ak kaptër yi), ak sistem ordinatër (jëfandikoo ordinatër yiy doxal usine yi, PLC, wala mikroordinatër). Ay misaalu jëm kanam ci liggéey bi ñuy wéyal ñooy laminage direct, laminage bu amul àpp, ak yunit yuñ boole ngir laminage–laminage sedd, laminage–laminage froid–annealing buy wéy, descaling mekanik–laminage sedd, ak sew -strip casting/laminage–laminage sedd. Ngir gëna am njariñ, wàññi li ñuy mànke ci kuuraŋ, wàññi dugal xaalis ak njëgu liggéey bi, gëna yokk liggéey bi, liggéeyum metalurgie yi dañu sëgg ci wàññi liggéey bi ak indi ay coppite wala dindi yenn wàll ci liggéey yu yàgg yi, loolu moo jur xarala yu bees yu "short{{10}n}process".
Xeetu liggéey yiñ gëna xam ci wàll wii ñooy: defar wen ci four bu amul coke, bu amul - explosion; defar asiye ci four à arc électrique (EAF); luus raffinage (metallurgie secondaire); ak sew -slab wéy di jëmmal ak gëdd. Rëyaayu xëyma ci këriñ coke metallurgique ak gëna tar ci wàllu aar environmaa bi, liggéeyu defar wen ci four bu yàgg a ngi jànkoonte ak jafe-jafe ndax xeetu wen bu amul coke, bu amul four bu amul coke. Réew bari ñu ngi gëna liggéey ci defar ay pexe ak xaralay jumtukaayi defar wen wala asiye bu amul coke, te ñu ngi def jéego yu am solo.
Bi 20eelu xarnu bi di jeex, barina xaralay wàññi wen (DRI) ak yenn xaralay wàññi li ñuy woowe smelting, ñu jëfandikoo leen ci liggéeyum usine yi. Xeetu wàññi yi direct bokkunaci gaz(jëfandikoo gaz naturel wala gaz synthetik ngir wàññi) ak four rotary bu bawoo ci këriñ (jëfandikoo këriñ ngir am energie); loolu dafay wàññi mineraalu wen ci tàngoor wi gëna suufe point de fusion bi mu nekk wen sponge bu dëgër bu am ay pore, loolu mooy joxe xeetu weñ bu baax buy wecci four electrik yi.
Pexem gaz-a ngi ëppee doole ci anam Midrex ak HYL, ak ay liggéeyukaay yu mag yu mëna defar lu ëpp benn milioŋ ciy ton at mu nekk. Wàññi fonder mooy wàññi mineraalu wen wala concentré ci wen wuy seey ci anam wu seey jaaraleko ci lakk këriñ biñ injecte; Corex mooy misaal bi gëna fës ci anam yii. C{5}}3000 Corex mën na defar wen ci at mi diggante 900,000 ba 1.2 milioŋ ciy ton, muy lu méngoo bu baax ak njariñu koom-koom ci yooni defar yu gàtt.
Equipement de fonge et de roulement intégré -exemplifié par les lignes de fonge et de rolling continu de dalle-dafay tax ñu mëna def liggéey bu jaar yoon, di wéy di gaawa gàttal liggéeyu defar cosaan bi, ba noppi di wane jëmmal ak jëmmal jumtukaay bu gëna dëgër; loolu mooy tendaas bu am solo ci xaralay metallurgie. Ginaaw pyrometallurgie bu am tàngoor wu kawe, dañuy faral di jëfandikoo pexe hydrometallurgique ngir dindi wen ci mineraal yu refractaire wala yu jafe jëfandikoo, ak itam yenn wen yu amul weñ ak yu bariwul. Masin yiñ gëna jëfandikoo ci hydrométallurgie ñooy: extracteur yi, jumtukaayi electrolyse yi, autoclave yi, filtre yi ak centrifuge yi.
Lu ko dalee ci ndoortey 21eelu xarnu bi, defarkati jumtukaayi metallurgie yi ci Chine joge nañu ci indi ay xarala yu bawoo feneen, ñu dem ci defar ay gis-gis yu bees, ñu am jéego yu am solo ci xaralay dëkk bi ngir liggéey yu am solo yu melni coke, sintering, defar wen, defar asiye, jëmmal wéy, ak lamin. Xarala yu bees yi leegi dañu njëkka fësal sistem yu am xel ak konseptioŋ yu wert, yu baax ci wàllu energie, di yóbbe jëm kanam gi ci jumtukaay yi ci wàllu otomatisation, di wottu ci fu sori, ak gëna baaxal environmaa bi.