information what is the role of reinforced steel balls in improving metal fatigue life? . . the role of reinforced steel balls in improving metal fatigue life. metal fatigue refers to the occurrence of microcracks under the condition of repeated stress for a long time and eventually leading to the material. the phenomenon of fracture. 1 how can stainless steel pill manufacturers improve the performance of their products through technological innovation? . how can stainless steel pill manufacturers improve the performance and competitiveness of their products through technological innovation? with the diversification of market demand and the acceleration of technological progress, the traditional stainless steel pill production process has gradually become difficult. . . 30 and