GB/T 18449.3-2012

Active

Metallic materials - Knoop hardness test - Part 3：Calibration of reference blocks

金属材料努氏硬度试验第3部分：标准硬度块的标定

Standard Type

GBT

ICS

77.040.10

CCS

N71

Status

Active

Issue Date

2012-12-31

Implementation

2013-06-01

Centralized Committee

中国机械工业联合会

Issuing Authority

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the calibration method for reference blocks used in Knoop hardness testing of metallic materials. It is applied in metallurgical laboratories and quality control settings to ensure the accuracy and traceability of Knoop hardness testers, particularly for thin materials, coatings, or small-scale components. The standard is essential for maintaining consistency in hardness measurements across industries like automotive, aerospace, and materials manufacturing.

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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.