GB/T 28300-2012

Abolished

Surface quality classes for hot-rolled bars and rods technical delivery conditions

热轧棒材和盘条表面质量等级交货技术条件

Standard Type
GBT
ICS
77.140.60
CCS
H40
Status
Abolished
Issue Date
2012-05-11
Implementation
2013-02-01
Centralized Committee
中国钢铁工业协会
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 surface quality classes and corresponding technical delivery conditions for hot-rolled bars and rods. It is applied in the metallurgy industry for the production, inspection, and procurement of steel products, ensuring that surface defects such as cracks, folds, and scars are classified and controlled according to end-use requirements. The standard is used by steel manufacturers and buyers to define acceptable surface quality levels for applications like construction, machinery, and automotive components.

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.