Use a working Vickers hardness tester to evaluate the 468HV10 hardness level hardness block, and the uncertainty of the measurement results of the three-point average. Available from JJG 2026-1989. (Table omitted)
CSM 01 01 02 08-2006 Referenced Document
GB/T 4340.1-1999 Metallic materials--Vickers hardness test-- Part 1: Test method