GB/T 4340.3-2025
ActiveMetallic materials—Vickers hardness test—Part 3: Calibration of reference blocks
金属材料 维氏硬度试验 第3部分：标准硬度块的标定
Application Summary AI generated
This standard specifies the method for calibrating reference blocks used to verify Vickers hardness testing machines. It is applied in quality control and materials testing laboratories to ensure the accuracy and traceability of hardness measurements for metallic materials. The standard is critical for industries such as automotive, aerospace, and manufacturing where precise material hardness verification is required.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.