DIN ISO 9649:2018
Metallic materials - Wire - Reverse torsion test (ISO 9649:2016)

Standard No.

DIN ISO 9649:2018

Release Date

2018

Published By

German Institute for Standardization

Status

Be replaced

Replace By

DIN ISO 9649:2024-04

Latest

DIN ISO 9649:2024-04

Replace

DIN ISO 9649:1993 DIN ISO 9649:2017

Scope

This International Standard specifies a method for determining the ability of metallic wire of a 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.

DIN ISO 9649:2018 Referenced Document

• DIN EN 10270-2:2012 Steel wire for mechanical springs - Part 2: Oil hardened and tempered spring steel wire; German version EN 10270-2:2011
• ISO 8458-3:2002 Steel wire for mechanical springs - Part 3: Oil-hardened and tempered wire

DIN ISO 9649:2018 history

• 2024 DIN ISO 9649:2024-04 Metallic materials - Wire - Reverse torsion test (ISO 9649:2023); Text in German and English
• 2018 DIN ISO 9649:2018 Metallic materials - Wire - Reverse torsion test (ISO 9649:2016)
• 1993 DIN ISO 9649:1993 Metallic materials; wire; reverse torsion test; identical with ISO 9649:1990
• 0000 DIN ISO 9649:1992