Hanyar ƙirƙira:

① Buɗe ƙirƙira (ƙirƙira kyauta)

Ciki har da nau'ikan nau'ikan guda uku: rigar yashi mai yashi, busasshen yashi, da ƙera yashi mai tauri;

② Ƙirƙirar yanayin rufewa

Simintin gyare-gyare na musamman ta amfani da yashi na ma'adinai na halitta da tsakuwa azaman babban kayan gyare-gyare (kamar simintin saka hannun jari, simintin laka, simintin harsashi na bita, simintin matsi mara kyau, ƙaƙƙarfan simintin, simintin yumbu, da sauransu);

③ Sauran hanyoyin rarrabuwar kawuna

Dangane da yanayin zafin nakasar, za a iya raba ƙirƙira zuwa ƙirƙira mai zafi (sauran zafin jiki sama da yanayin recrystallization na ƙarfen billet), ƙirƙira mai dumi (ƙasa da zazzabi na recrystallization), da ƙirƙira sanyi (a ɗakin zafin jiki).