1 Scope
This document specifies a method for determining the ability of metallic wire, of
diameter dimension from 0,3 mm to 10,0 mm inclusive, to undergo plastic deformation
during reverse torsion. This test is used to detect surface defects, as well as to
assess ductility.
BS ISO 9649:2023 history
2023BS ISO 9649:2023 Metallic materials. Wire. Reverse torsion test
2016BS ISO 9649:2016 Metallic materials. Wire. Reverse torsion test