Nau'in farko shine nau'in gami mara nauyi, wanda ke wakiltar maki UNS S32304 (23Cr-4Ni-0.1N). Karfe ba ya ƙunshi molybdenum, kuma ƙimar PREN shine 24-25. Ana iya amfani da shi maimakon AISI304 ko 316 dangane da juriya na lalata damuwa.
Nau'i na biyu shine nau'in alloy na matsakaici, ma'aunin wakilci shine UNS S31803 (22Cr-5Ni-3Mo-0.15N), ƙimar PREN shine 32-33, kuma juriya na lalata yana tsakanin AISI 316L da 6% Mo + N austenitic bakin karfe. karfe. tsakanin.
Nau'i na uku shine nau'in alloy mai girma, gabaɗaya yana ɗauke da 25% Cr, kuma yana ɗauke da molybdenum da nitrogen, wasu kuma suna ɗauke da jan ƙarfe da tungsten. Matsakaicin ma'auni shine UNSS32550 (25Cr-6Ni-3Mo-2Cu-0.2N), kuma ƙimar PREN ita ce 38-39 Juriya na lalata irin wannan ƙarfe ya fi na 22% Cr duplex bakin karfe.
Nau'i na hudu shine nau'in bakin karfe na super duplex, wanda ya ƙunshi babban molybdenum da nitrogen. Matsakaicin darajar UNS S32750 (25Cr-7Ni-3.7Mo-0.3N), wasu kuma sun ƙunshi tungsten da jan ƙarfe. Ƙimar PREN ya fi 40, wanda za'a iya amfani dashi don matsananciyar yanayi Matsakaici, tare da kyakkyawan juriya na lalata da kayan inji, kwatankwacin super austenitic bakin karfe.
Lokacin aikawa: Janairu-19-2020