Official Answer
Answer
17-7PH (Nau'in 631) shine ma'auni na masana'antu saboda yana haɗuwa da ƙarfin yawan amfanin ƙasa, kyawawan kaddarorin gajiya, da juriya mai kyau na lalata tare da ƙarancin murdiya yayin maganin zafi. Tsarin masana'anta ya haɗa da murɗa kayan a cikin 'Yanayin C' (an rage sanyi) sannan yin aikin hazo mai taurin zafi a $900^\circ F$ (Sharadi CH900). Wannan tsarin tsufa yana ƙara taurin zuwa HRC 41-48. Ba kamar 300-jerin bakin karfe ba, waɗanda suke da taushi sosai, ko 400-jeri, waɗanda ba su da ƙarfi kuma suna iya lalatawa, 17-7PH yana ba da 'spring baya' da ake buƙata don zoben ya karye a cikin tsagi kuma ya zauna a can ƙarƙashin manyan centrifugal ko axial lodi.
