GB/T 1979-2001

Abolished

Standard diagrams for macrostructure and defect of structural steels

结构钢低倍组织缺陷评级图

Standard Type
GBT
ICS
77.040.01
CCS
H24
Status
Abolished
Issue Date
2001-12-17
Implementation
2002-05-01
Centralized Committee
中国钢铁工业协会
Issuing Authority
中国钢铁工业协会

Application Summary AI generated

This standard provides reference diagrams for rating the macrostructure and identifying defects, such as porosity, segregation, and cracks, in structural steels. It is applied in the metallurgical industry for quality inspection and acceptance testing of rolled or forged steel products. The standard is used by manufacturers and testing laboratories to ensure steel meets specified internal quality requirements for structural applications.

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.