ASTM A 421/A421M : 2015
Superseded
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Standard Specification for Stress-Relieved Steel Wire for Prestressed Concrete
Hardcopy , PDF
21-05-2021
English
03-12-2015
This specification covers two types of stress-relieved round high-carbon steel wire commonly used in prestressed concrete construction, as follows:Type BAwire is used for applications in which cold-end deformation is used for anchoring purposes (Button Anchorage), andType WAwire is used for application in which the ends are anchored by wedges, and no cold-end deformation of the wire is involved (Wedge Anchorage).
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