GB/T 1814-1979
Active
GB/T 18449.4-2022
Active
National standards
GB/T 18449.4-2022 Metallic materials—Knoop hardness test—Part 4:Tables of hardness values
GB/T 18449.4-2022 Metallic materials—Knoop hardness test—Part 4:Tables of hardness values
Price:
$ 84
Basic Information
Standard Code:
GB/T 18449.4-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\n Test methods for the mechanical properties of metals
ICS Name:
Mechanical testing of metal materials
Publish Date:
2022-03-09
Implement Date:
2022-10-01
Pages:
26 pages
Scope
The hardness values given in this document are applicable to the Brinell hardness test conducted in accordance with ISO 4545-1.
Development Information
Replace the following standards
Referenced Standards
ISO 4545-1
Adopt standards
ISO 4545-4:2017
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