GB/T 21838.3-2022
Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 3:Calibration of reference blocks (English Version)

Standard No.: GB/T 21838.3-2022
Language: Chinese, Available in English version
Release Date: 2022
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21838.3-2022
Replace: GB/T 21838.3-2008

Scope: This document specifies the calibration method for standard blocks used for indirect inspection of instrumented indentation testing machines according to GB/T21838.2-2022.

GB/T 21838.3-2022 Referenced Document

GB/T 21838.1-2019 Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 1:Test method
GB/T 21838.2-2022 Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 2: Verification and calibration of testing machines
ISO 376 Metallic materials - Calibration of force-proving instruments used for the verification of uniaxial testing machines
ISO 4287 Geometrical product specifications (GPS) — Surface finish: Profile method — Surface finish terms, definitions and parameters — Amendment 2: .

2022 GB/T 21838.3-2022 Metallic materials—Instrumented indentation test for hardness and materials parameters—Part 3:Calibration of reference blocks
2008 GB/T 21838.3-2008 Metallic materials-Instrumented indentation test for hardness and materials parameters-Part 3:calibration of reference blocks