GB/T 239-1999
Metallic materials--Wire--Torsion test (English Version)

Standard No.

GB/T 239-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2013-02

Replace By

GB/T 239.1-2012

GB/T 239.2-2012

Latest

GB/T 239.1-2023

GB/T 239.2-2023

Replace

GB/T 239-1984

Scope

This standard specifies the principle, symbols, test equipment, samples, test procedures and test reports of the metal wire torsion test method. This standard applies to the determination of the ability of metal wires with a diameter (or characteristic size) of 0.3 to 10.0mm to withstand plastic deformation in one-way or two-way torsion and to display the surface and internal defects of the wire.

GB/T 239-1999 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年 GB/T 239-1984