The weight processing Key displacement of high-strength steel (HSS) Q690 Curvature, final strength, dilute fracture displacement and The method was proposed to estimate the fracture force.Mechanical and flexible breakdown of the HSS Q690 Average to predict performance Accuracy of the weight full-process method Limited element analysis of 26 samples is performed to demonstrate utility. The mean weight is the whole process Material parameters of the system Modeling concepts and processes for classification 20 C to 900 C as provided in the previous paper After cooling from various temperatures up to Traction done on models Described using experiments.In this method, Four important parameters (neck equivalent plastic Strain, neck actual pressure) weight parameter and hardness parameter Including) test results and obtained element analysis finite HSS Q690 Equivalent plastic strain on the neck, whether it is reflected by the actual pressure and weight parameter in the neck The finite element analysis results reveal, and not by the hardness parameter.The method proposed Fire in this study Posterior force-displacement curve, Final fracture performance with ultimate endurance and good accuracy at various temperatures It has been decided that. Finally, in this study Based on all experimental and simulated results Predictive equations of pipe breakdown parameters are proposed.