Alloy na tushen nickel yana nufin babban gami tare da nickel azaman matrix (gaba ɗaya mafi girma fiye da 50%) da jan ƙarfe, molybdenum, chromium da sauran abubuwa azaman abubuwan haɗin gwiwa. Babban abubuwan da aka haɗa da abubuwan haɗin gwiwar nickel sune chromium, tungsten, molybdenum, cobalt, aluminum, titanium, boron, zirconium da sauransu. Daga cikin su, Cr, Al, da dai sauransu, yafi taka wani anti-hadawan abu da iskar shaka sakamako, da sauran abubuwa da m bayani ƙarfafa, hazo ƙarfi da hatsi iyaka ƙarfafa. Alloys tushen nickel galibi suna da tsarin austenitic. A cikin yanayin m bayani da tsufa magani, akwai kuma intermetallic bulan da karfe carbonitrides a kan austenite matrix da hatsi iyakoki na gami.Gabaɗaya ana yin alluran tushen nickel ta hanyar simintin saka hannun jari. Maki na gama gari na tushen alluran nickel don yin simintin gyaran kafa sune kamar haka:
- 1) Ni-Cr-Mo gami, Hastelloy jerin C-276, C-22, C-2000, C-4, B-3
- 2) Ni-Cr gami: Inconel 600, Inconel 601, Inconel 625, Inconel 718, Inconel X 750, Incoloy 800, Incoloy 800H, Incoloy 800HT, Incoloy 825;
- 3) Ni-Cu alloy, Monel 400, Monel K500
