A low chromium, nickel–molybdenum alloy, Hastelloy-N, was used in the MSRE and proved compatible with the fluoride salts FLiBe and FLiNaK.DeVan, Jackson H. "Effect of Alloying Additions on Corrosion Behavior of Nickel–Molybdenum Alloys in Fused Fluoride Mixtures." Thesis. University of Tennessee, 1960. Web. <>. All metal parts contacting salt were made of Hastelloy-N.
