GB/T 27552-2021

Active

Destructive tests on welds in metallic materials—Microhardness testing of welded joints

金属材料焊缝破坏性试验 焊接接头显微硬度试验

Standard Type
GBT
ICS
25.160.40
CCS
J33
Status
Active
Issue Date
2021-10-11
Implementation
2022-05-01
Centralized Committee
中国机械工业联合会
Issuing Authority
国家市场监督管理总局、中国国家标准化管理委员会

Application Summary AI generated

This standard specifies the method for conducting microhardness tests on welded joints in metallic materials. It is applied in manufacturing and quality control contexts to evaluate the hardness distribution across different zones of a weld, such as the weld metal, heat-affected zone, and base metal. The standard is used by engineers and inspectors to assess weld integrity, detect potential embrittlement or softening, and ensure compliance with design requirements in industries like automotive, aerospace, and structural fabrication.

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.