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Nekateri problemi izdelave avtomatnih jekel v električnih obločnih pečeh in Siemens-Martinovih pečeh
Arh, Joža ...
Železarna Jesenice je velik proizvajalec avtomatnih jekel z visokim indeksom obdelovalnosti z ali brez svinca. Glavni problem izdelave polpomirjenega avtomatnega jekla je regulacija pravilne ...vsebnosti kisika v izdelanem jeklu oziroma regulacija pravilne globulitične oblike sulfidov. Za vzdrževanje stalne enakomerne kvalitete v pogledu obdelovalnosti je potrebna stroga kontrola vsebnosti kisika v jeklu, ki naj bo v optimalnih mejah od 100 do 150 ppm v talini pred prebodom merjeno z kisikovo sondo. Najboljši način za zagotovitev takšne vsebnosti kisika pa je stroga kontrola ogljika po oksidaciji, ki naj bo od 0,05 do 0,07 %. Električne obločne peči so zelo dobri talilni agregati za izdelavo avtomatnih jekel. Kontrola avtomatnih jekel obsega kontrolo obdelovalnosti in oblike sulfidnih vključkov.
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