Official Answer
Answer
Maɓuɓɓugan igiyar ruwan murɗa daga waya mai sanyi mai birgima tana gabatar da maƙasudin saura mai ƙarfi da matsananciyar damuwa a cikin ɓangaren giciye. Ba tare da kawar da damuwa ba, waɗannan matsalolin na ciki na iya haifar da 'raguwa' ko rashin kwanciyar hankali a tsawon lokaci. Don SAE 1070-1090 carbon karfe, rage danniya yawanci ana yin shi a $600^{\circ}F$ zuwa $700^{\circ}F$. Wannan tsari yana tabbatar da microstructure, yana rage haɗarin lalata danniya, kuma yana tabbatar da cewa kaddarorin na roba sun dace. Hakanan yana rage bambance-bambancen 'spring back', yana ba da damar sarrafa ƙarfi akan tsayin kyauta $L_{free}$ da diamita na kalaman.
