The performance of 316 stainless steel in molten (60 wt.% NaNO3-40 wt.% KNO3) ‘Solar Salt’ has been assessed by corrosion testing, slow strain rate testing, and fracture mechanics-based stress corrosion tests. While solar salt has exhibited good compatibility with austenitic stainless steel at low temperatures, increased nitrate anion decomposition at ~600°C is known to increase corrosion rates. This work, combined with literature data shows that the corrosion kinetics can be described by a piecewise model that accounts for salt decomposition at elevated temperatures. However, additional research is needed to better describe corrosion rates at temperatures >600C. Consistent with previous work, under slow strain rate conditions, 316 stainless steel appears to be resistant to environmentally assisted cracking at temperatures ≤600C. However, fracture mechanics-based testing suggests that intergranular cracking can occur at 550C at a constant K=26 MPa√m at times on the order of 3 months.