GB/T 5167-1985 Specifies the determination of the resistivity of sintered metal materials and cemented carbide. The standard determines the test method based on electrical principles, and specifies the technical requirements such as the accuracy and range of the required test instruments. Detailed sample preparation process, including precise control of shape and size to ensure that the sample is representative. Specify specific test steps, covering temperature condition setting, current loading and voltage measurement operation points. Through this standard, the resistivity of related materials can be accurately determined, providing key data support for the material selection, performance evaluation and Product Research & Development of sintered metal materials and cemented carbide in electronics, machinery and other industries, and promoting technological progress in the industry.