GB/T 5159-2025 in English

This standard provides a method for determining dimensional changes related to shaping and sintering of metal powders, excluding those used for hard alloys. It outlines procedures for measuring variations in dimensions that occur during these processes. The standard specifies the equipment, testing conditions, and calculation methods required to ensure consistent and reliable results. It covers key aspects such as sample preparation, measurement techniques, and data interpretation. The document is structured to guide users through the entire testing process, ensuring that measurements are accurate and reproducible. The standard is applicable to various industries that rely on metal powders for manufacturing processes.