GB/T 17394.3-2012 "Metallic materials - Leeb hardness test - Part 3: Calibration of reference blocks"

The standard GB/T 17394.3-2012 Metallic Materials, Richter Hardness Test, Part 3: Calibration of Standard Hardness Blocks specifies the calibration method for standard Hardness blocks in the Richter Hardness test. The accuracy and Reliability of the Leeb hardness tester are ensured by calibrating the standard Hardness block. The standard describes in detail the calibration procedures, equipment requirements and data processing to ensure conformity and comparability of hardness testing results.

This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.