Official Answer
Answer
Erga kooyilii godhanii booda, SAE 1070 kaarboonii sibiilaa spiraal rings 'zayitiin dhaamfamee fi tempered' ykn 'austempered' jabina akkaataa idileetti 45-52 HRC gidduutti galmaan ga'uuf. Adeemsi tempering (ho’isuu hanga $700-900^{\circ}F$) brittle martensite gara tempered martensite jijjiiruuf murteessaadha, kunis toughness fi ductility barbaachisaa ta’e kenna. Osoo sirnaan hin tempering ta'e, rings yeroo dhaabbatu yeroo shaft tokko irratti babal'ifaman ni ciccitu turan. Jabina dhumaa cimsee to’atamuu qaba: garmalee olka’uun gara cabbii kan fidu yoo ta’u, garmalee gadi bu’uun ammoo ‘set’ fi humna qabachuu dhabuu fida.
