Cold zana sumul karfe bututu gama yanayinshine kamar haka:

An gama sanyi (da wuya)
BK (+C)
Tubes ba sa shan maganin zafi bayan sanyi na ƙarshe kuma, don haka, suna da juriya ga nakasawa

An gama sanyi (mai laushi)
BKW (+LC)
Maganin zafi na ƙarshe yana biye da zane mai sanyi wanda ya ƙunshi ƙayyadaddun lalacewa. Ci gaba da aiki da ya dace yana ba da damar wani matakin sanyi (misali lankwasawa, faɗaɗa)

An gama sanyi kuma an kawar da damuwa
BKS (+SR)

Annealed
GBK (+A)
Tsarin sanyi na ƙarshe yana biye da shi ta hanyar annealing a cikin yanayi mai sarrafawa.

An daidaita
NBK (+N)
Tsarin kafa sanyi na ƙarshe yana biye da ɓarna a sama da wurin canji na sama a cikin yanayi mai sarrafawa.