GB/T 231.4-2009

Active

Metallic materials - Brinell hardness test - Part 4: Tables of hardness values

金属材料 布氏硬度试验 第4部分：硬度值表

Standard Type
GBT
ICS
77.040.10
CCS
H22
Status
Active
Issue Date
2009-06-25
Implementation
2010-04-01
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 provides the specific tables of Brinell hardness values for metallic materials, calculated from test parameters such as indentation diameter, test force, and ball diameter. It is applied in metallurgical testing and quality control laboratories to convert measured indentation diameters into standardized hardness numbers without manual calculation. The tables are essential for ensuring consistent hardness evaluation across industries like automotive, aerospace, and metal manufacturing.

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