Incol 625 he mahinga nui-a-tinana-a-tinana-a-rangi e mohiotia ana mo tona kaha nui, pāmahana me te aukati. Ko tenei superalloy te mea nui o te nickel (neke atu i te 58%), ko te molybdenum, te niobium, te rino, te mabalt, me te taatai, me te titanium, me te titanium.