Yi nazarin fa'idodin amfani da Bakin Karfe na 17-7PH a cikin Yanayin CH900 don maɓuɓɓugan ruwan sararin sama idan aka kwatanta da daidaitaccen Bakin Karfe na 302.

17-7PH (ASTM A693) a cikin Yanayin CH900 yana ba da ƙarfin yawan amfanin ƙasa ($ S_y \ kimanin 1170-1310$ MPa) da juriyar gajiya idan aka kwatanta da 302 Bakin Karfe. Tsarin CH900 ya haɗa da raguwar sanyi wanda ya biyo baya taurin hazo a $482^\circ C$ ($900^\circ F$), wanda ke haifar da tsarin martensitic tare da hazo mai kyau. Wannan yana ba da damar haɓaka matsalolin aiki da ƙananan shakatawa a yanayin zafi har zuwa $343^\circ C $. Sabanin haka, 302 SS ya dogara ne kawai akan aikin sanyi don ƙarfi kuma yana iyakance ga ƙananan yanayin zafi ($< 288 ^\circ C $) da ƙananan matakan damuwa kafin saiti na dindindin ya faru ta hanyar dangantaka $ \ tau = \ frac{8PD_m}{\pi t ^ 3}$ ƙetare iyaka na roba.