Abstract: Based on the conversion relationship between the off-axis engineering elastic constant and the positive-axis engineering elastic constant of the single-layer plate, the parameters are deduced, and the calculation of superelastic anisotropy parameters at any angle of the alloy is realized. Then the superelastic stress-strain curves at any angle of the alloy are simulated by a finite element user subroutine. The simulation results agree well with the experimental data, which can provide guidance and reference for the simulation calculation of the anisotropic properties of columnar-grained structure alloys.