This national standard specifies the principle, symbols, samples, test equipment, test procedure, test result assessment and test report of the upset forging test method of metallic materials.
This standard is applicable to the metallic materials with cross-sectional in the scope of the following dimension (diameter, side length or inscribed circle radius): for cold upsetting test: 3~30mm; for hot upsetting test: 5~200mm. For metallic materials exceeding the scope of application of this standard, it shall follow the provisions stated in relevant standard or agreements.
