GB/T 230.3-2012
AbolishedMetallic materials - Rockwell hardness test - Part 3：Calibration of reference blocks(scales A,B,C,D,E,F,G,H,K,N,T)
金属材料 洛氏硬度试验 第3部分：标准硬度块（A、B、C、D、E、F、G、H、K、N、T标尺）的标定
Application Summary AI generated
This standard specifies the calibration method for reference hardness blocks used to verify Rockwell hardness testing machines across scales A, B, C, D, E, F, G, H, K, N, and T. It is applied in metrology laboratories and quality control departments within the metalworking and manufacturing industries to ensure the accuracy and traceability of hardness measurements on metallic materials. The standard is essential for maintaining consistent testing conditions and reliable hardness values in production, material certification, and research settings.
Related Standards
GB/T 1172-1999
Conversion of hardness and strength for ferrous metal
GB/T 16825.2-2005
Verification of static uniaxial testing machines-Part 2:Tension creep testing machines-Verification of the applied force
GB/T 21116-2007
Hydraulic vibration generator systems
GB/T 13310-2007
Electrodynamic vibration generator systems
GB/T 13309-2007
Specification for mechanical vibration generator systems
GB/T 5766-2007
Test method of Rockwell hardness for friction materials
GB/T 21190-2007
Paper, board and corrugated fibreboard - Description and calibration of compression-testing equipment
GB/T 2611-2007
General requirements for testing machines
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.