This is a video presentation of VrHeatTreat software in action; Assessing Stress Evolution during the Heat Treating Process. This video shows the evolution of stress during the heat treating process. We show that an FEM mesh with elements roughly 0.1 mm length normal to the surface provides good accuracy in the computed stress. Simply mouse over video to access player controls. Flash Player is required to view this presentation. Click here to download free player. Enjoy!