Official Answer
Answer
A yanayin zafi na cryogenic (kasa da $-300 ^{\circ}F $), yawancin karafa na carbon da wasu bakin karfe suna jurewa jujjuyawar ductile-zuwa-gaggawa, suna zama masu saurin tasiri ga gazawar. 302 da 304 Bakin Karfe 304 suna kula da tsarin lattice ɗin su na tsakiya (FCC), wanda baya nuna wannan canjin. Waɗannan kayan suna riƙe babban ductility da tauri a yanayin yanayin ruwa na nitrogen. Don tsarin sararin samaniyar oxygen (LOX), waɗannan zoben galibi ana wucewa ta ASTM A967 don cire baƙin ƙarfe kyauta daga saman da haɓaka Layer oxide mai kariya.
