GB/T 239.2-2012
Metallic materials.Wire.Part 2:Reverse torsion test (English Version)
- Standard No.
- GB/T 239.2-2012
- Language
- Chinese, Available in English version
- Release Date
- 2012
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2023-07
- Replace By
- GB/T 239.2-2023
- Latest
- GB/T 239.2-2023
- Replace
- GB/T 239-1999
- Scope
- This part specifies the method for the plastic deformation ability of metal wires with a diameter of 0.3 mm to 10.0 mm in two-way torsion, and is mainly used to detect the surface and internal defects of the wire.
GB/T 239.2-2012 Referenced Document
- GB/T 239.1-2012 Metallic materials.Wire.Part 1:Simple torsion test
GB/T 239.2-2012 history
- 2023 GB/T 239.1-2023 Wire rods of metallic materials - Part 1: Test method for unidirectional torsion
- 2012 GB/T 239.1-2012 Metallic materials.Wire.Part 1:Simple torsion test
- 1999 GB/T 239-1999 Metallic materials--Wire--Torsion test
- 0000 GB/T 239-1984
GB/T 239.2-2012 Metallic materials.Wire.Part 2:Reverse torsion test has been changed from GB/T 239-1999 Metallic materials--Wire--Torsion test.
