The tracer diffusion of C in austenitic Fe-0.8wt%C alloy at 800 to 1200C could be described by:

D (cm2/s) = 1.36 x 10-2 exp[-26.2(kcal/mol)/RT]

D.F.Kalinovich, I.I.Kovensky, M.D.Smolin: Izvestiya Akademii Nauk SSSR (Metally), 1974, 4, 105-7