GB/T 1814-1979
Active
GB/T 18449.4-2009
Replaced
National standards
GB/T 18449.4-2009 Metallic materials—Knoop hardness test—Part 4:Tables of hardness values
GB/T 18449.4-2009 Metallic materials—Knoop hardness test—Part 4:Tables of hardness values
Basic Information
Standard Code:
GB/T 18449.4-2009
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
\n Test methods for the mechanical properties of metals
ICS Name:
Mechanical testing of metal materials
Publish Date:
2009-06-25
Implement Date:
2010-04-01
Pages:
33 pages
Scope
This part of GB/T 18449 provides a calculation table for Brinell hardness values.
Development Information
Same series standard
Superseded by the following standards
Referenced Standards
GB/T 18449.1-2001 Metallic knoop hardness test Part 1:Test method
GB/T 18449.1-2009 Metallic materials—Knoop hardness test—Part 1:Test method
GB/T 18449.1-2024 Metallic materials—Knoop hardness test—Part 1:Test method
GB/T 18449.2-2001 Metallic knoop hardness test—Part 2:Verification of hardness testers
GB/T 18449.2-2012 Metallic materials—Knoop hardness test—Part 2:Verification and calibration of testing machines
Adopt standards
ISO 4545-4:2005
Related Standards
GB/T 2107-1980
Replaced
GB/T 2107-1980 Metal material—Twisting fatigue test
GB/T 3075-1982
Replaced
GB/T 3075-1982 Method of axial force controlled fatigue testing of metals
GB/T 3373-1982
Replaced
GB/T 3373-1982 Rims for tractors, agricultural and forestry machines
GB/T 3771-1983
Active
GB/T 3771-1983 Conversion of hardness and strength for copper alloys
GB/T 4105-1983
abolished_transferred