Answer
17-7PH Stainless Steel (Haala CH900) semi-austenitic precipitation-hardening alloy kan ta’ee fi gosa 302 caalaa humna guddaa fi dadhabbiin ittisuu fooyya’aa ta’e kan kennu dha.Erga qorraan-Haala Ctti hojjetee booda, haala CH900 ga’uuf $900^\circ F$ irratti kan dulloome yoo ta’u, kunis cimina harkisaa idilee kan $240$-$265$ ksi. Gosti 302 humna ksi $160$-$190$ isaaf qorra hir'isuu qofa irratti hundaa'a. Fayyadama yaalaa bakka burqaawwan dalgee xiqqaa irra deddeebiin sterilization (autoclaving) taasifaman keessatti, daangaa elastikii isaa ol’aanaa ta’e yeroo marsaa dhiibbaa olaanaatti difoormeeshinii dhaabbataa waan ittisuuf 17-7PH filatamaadha. Kana malees, 17-7PH yeroo wal’aansa ho’aa tasgabbii dimensional olaanaa agarsiisa sibiilota 300-series which may warp wajjin wal bira qabamee yoo ilaalamu.
