Nickel 200 (UNS N02200) da 201 (UNS N02201) kayan nickel ne masu tabbatar da dual-kwakwalwa. Sun bambanta kawai a cikin matsakaicin matakan carbon da ake da su-0.15% don nickel 200 da 0.02% don nickel 201.
Farantin Nickel 200 yawanci yana iyakance ga sabis a yanayin zafi ƙasa da 600ºF (315ºC), tunda a yanayin zafi mafi girma yana iya wahala daga graphitization wanda zai iya lalata kaddarorin sosai. A yanayin zafi mafi girma yakamata a yi amfani da farantin Nickel 201. An yarda da duka maki biyu a ƙarƙashin ASME Boiler da Matsalolin Jirgin Ruwa na Sashe na VIII, Division 1. An amince da farantin Nickel 200 don sabis har zuwa 600ºF (315ºC), yayin da Nickel 201 farantin an amince da shi har zuwa 1250ºF (677ºC).
Dukkanin maki biyu suna ba da juriya na lalata ga caustic soda da sauran alkalis. Alloys suna yin mafi kyau wajen rage mahalli amma kuma ana iya amfani da su a ƙarƙashin yanayin oxidizing waɗanda ke samar da fim ɗin m. Dukansu suna tsayayya da lalata ta hanyar distilled, ruwa na halitta da ruwan teku masu gudana amma ruwan tekun da ba su da ƙarfi ya kai musu hari.
Nickel 200 da 201 ferromagnetic ne kuma suna nuna kaddarorin inji mai ƙarfi a cikin kewayon zafin jiki mai faɗi.
Dukan maki biyun ana samun sauƙin waldawa da sarrafa su ta daidaitattun ayyukan ƙirƙira kanti.
Lokacin aikawa: Oktoba-10-2020