This Document specifies a test method for Fisher number of metal powders of related compounds. This Document is applicable to the determination of the Fisher number of metal powders and related compounds (carbides, nitrides and oxides, etc.) with a powder particle size of 0.5μm to 50μm. This Document does not apply to powder particles with poor axial symmetry and irregular shapes (such as flakes and fibers, etc.), neither does it apply to mixtures of different powders and powders containing binders or lubricants. If necessary, it shall be adopted by the relevant parties after consultation.
Basic Data
Standard ID
GB/T 3249-2022 (GB/T3249-2022)
Description (Translated English)
Test method for Fisher number of metal powders and related compounds
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H21
Word Count Estimation
9,989
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
