High manganese steel are widely used for its excellent abrasionresistance.However it is difficult to avoid defects of decarburization, grain growth, cracking and deformation during heat treatment.

• 高锰钢的优良耐磨性能使其有广泛的应用范围，但在热处理过程中却难以保证所要求的显微组织，并容易引起脱碳、晶粒长大、裂纹和变形。