I-alloy 825 yi-alloy ye-nickel-iron-chromium ye-austenitic ekwachazwa ngezongezo ze-molybdenum, ubhedu kunye ne-titanium. Yaphuhliswa ukunika ukuxhathisa okukhethekileyo kwiindawo ezininzi ezinobungozi, zombini i-oxidizing kunye nokunciphisa.