GB/T 41967-2022 (English Version) PDF

Standard No.: GB/T 41967-2022
Language: Chinese, Available in English version
Release Date: 2022
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 41967-2022

Scope: This document specifies the classification and grade, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage and accompanying documents of anisotropic NdFeB permanent magnet powder. This document is applicable to anisotropic NdFeB permanent magnet powder produced by hydrogen absorption-disproportionation-dehydrogenation-recombination (HDDR) process or hot-pressing heat deformation magnet crushing process.

GB/T 41967-2022 Referenced Document

GB 39176 Rare earth products packing, marking, transport and storage
GB/T 1479.1 Metallic powders—Determination of apparent density—Part 1:Funnal method
GB/T 15676 rare earth term
GB/T 24270 Method of measurement of temperature coefficient of magnetic properties of permanent magnetic materials
GB/T 3217 Permanent magnet(magnetically hard)materials.Methods of measurement of magnetic properties
GB/T 3850 Impermeable sintered metal materials and hardmetals.Determination of density
GB/T 40794 Measurement method of irreversible magnetic flux loss due to high temperature of rare earth permanent magnet
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 9637 Electrotechnical terminology Magnetic materials and components