GB/T 31967.4-2025 Test method for physical property of rare earth permanent magnetic materials—Part 4:Determination of compressive strength

GB/T 31967.3-2025 Test methods for physical property of rare earth permanent magnetic materials—Part 3:Determination of resistivity

GB/T 6379.2-2004 Accuracy(trueness and precision)of measurement methods and results—Part 2:Basic method for the determination of repeatability and reproducibility of a standard measurement method GB/T 7314-2005 Metallic materials—Compression testing at ambient temperature GB/T 7314-2017 Metallic materials—Compression test method at room temperature GB/T 8170-1987 Rules for rounding off of numberical values GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values GB/T 10623-1989 Metallic materials—Terms of mechanical test GB/T 10623-2008 Metallic material—Mechanical testing—Vocabulary GB/T 16825.1-2022 Metallic materials—Calibration and verification of static uniaxial testing machines—Part 1:Tension/compression testing machines—Calibration and verification of the force-measuring system