GB/T 1814-1979
Active
GB/T 239.2-2012
Replaced
National standards
GB/T 239.2-2012 Metallic materials—Wire—Part 2:Reverse torsion test
GB/T 239.2-2012 Metallic materials—Wire—Part 2:Reverse torsion test
Basic Information
Standard Code:
GB/T 239.2-2012
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
\nTest methods for the performance of metal products
ICS Name:
Mechanical testing of metal materials
Publish Date:
2012-05-11
Implement Date:
2013-02-01
Pages:
6 pages
Scope
This section specifies the method of testing the plastic deformation capability of metal wires with a diameter of 0.3 mm to 10.0 mm during bidirectional torsion, which is mainly used to detect surface and internal defects of the wires.
Development Information
Same series standard
Replace the following standards
Superseded by the following standards
Referenced Standards
Adopt standards
ISO 9649:1990
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