The kinetics of melting of an ionic crystal treated in a pulsed magnetic field (H ∼ 106 A/m) was studied by a computer-aided DTA technique. Significant changes in the nonequilibrium thermodynamic parameters of transient processes during melting and in the enthalpy of melting were observed for KCl crystals, which is evidence that the magnetic field induces a special nonequilibrium state in these nonmagnetic crystals.