This Document specifies a method for the calibration of Leeb hardness standard blocks that are used for the indirect verification of Leeb hardness testers according to GB/T 17394.2 and for the periodic checking according to GB/T 17394.1. This Document is applicable to the calibration of Leeb hardness standard block (hereinafter referred to as reference block).
Basic Data
Standard ID
GB/T 17394.3-2022 (GB/T17394.3-2022)
Description (Translated English)
Metallic materials - Leeb hardness test - Part 3: Calibration of reference test blocks
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
N71
Word Count Estimation
26,261
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
