GB/T 4340.2-2025

Active

Metallic materials—Vickers hardness test—Part 2: Verification and calibration of testing machines

金属材料 维氏硬度试验 第2部分:硬度计的检验与校准

Standard Type
GBT
ICS
19.060
CCS
N71
Status
Active
Issue Date
2025-03-28
Implementation
2025-10-01
Centralized Committee
中国机械工业联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

This standard specifies the procedures for the direct and indirect verification of Vickers hardness testing machines, ensuring their measurement accuracy and traceability. It is applied in quality control and material testing laboratories within industries such as automotive, aerospace, and metal manufacturing, where precise hardness measurements of metallic materials are required. The standard is used during machine commissioning, periodic recalibration, and after repairs to maintain compliance with testing protocols.

Related Standards

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.