Answer
17-7PH (UNS S17700) bakin karfe ne mai hazo mai taurin kai wanda ke ba da ingantacciyar hade mai karfi da juriya na lalata. A cikin yanayin CH900 (sanyi birgima da tsufa a $900 ^{\circ}F$), yana samun iyakacin ƙarfi mafi girma fiye da 302 bakin karfe. Wannan yana ba da damar ƙananan sassan giciye don cimma nauyi iri ɗaya, wanda ke da mahimmanci ga ƙananan kayan aikin likita ko sararin samaniya. Bugu da ƙari kuma, 17-7PH yana nuna ƙarancin 'saitin' ko annashuwa a kan lokaci lokacin da aka gudanar da shi a yanayin zafi mai tsayi, yana riƙe da ƙarfin ɗaukar nauyinsa har zuwa kusan $650 ^{\circ}F$ ($ 343 ^{\circ}C $), yayin da 302 ya fara rasa kayan bazara sama da $400^{\circ}F$.