GB/T 4337-2025 in English

This standard provides detailed guidelines for conducting fatigue tests on metallic materials using the rotating bending method. It outlines the essential requirements for test equipment, specimen preparation, testing procedures, and data analysis. The document specifies the parameters and conditions necessary to ensure consistent and reliable results during the testing process. Additionally, it includes information on the calibration of testing machines and the interpretation of test outcomes. The standard is structured to support both research and industrial applications, ensuring that the testing process adheres to established technical specifications. It also covers the safety considerations and operational practices that should be followed during the testing procedures.