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AASHTO M 204M/M 204
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AASHTO M 204M/M 204 2014 Edition, January 1, 2014 Standard Specification for Uncoated Stress-Relieved Steel Wire for Prestressed Concrete
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Description / Abstract:
This specification covers two types of uncoated stress-relieved,
round, high-carbon steel wire commonly used in prestressed linear
concrete construction, as follows:
Type BA wire is used for applications in which cold-end deformation is used for anchoring purposes (Button Anchorage), and
Type WA wire is used for applications in which the ends are anchored by wedges, and no cold-end deformation of the wire is involved (Wedge Anchorage).
Supplement 1 describes low-relaxation wire and relaxation testing for that product.
This specification is applicable for orders in either SI units (M 204M) or in inch-pound units (M 204). SI units and inch-pound units are not necessarily equivalent. Inch-pound units are shown in brackets in the text for clarity, but they are the applicable values when the material is ordered to M 204.
Type BA wire is used for applications in which cold-end deformation is used for anchoring purposes (Button Anchorage), and
Type WA wire is used for applications in which the ends are anchored by wedges, and no cold-end deformation of the wire is involved (Wedge Anchorage).
Supplement 1 describes low-relaxation wire and relaxation testing for that product.
This specification is applicable for orders in either SI units (M 204M) or in inch-pound units (M 204). SI units and inch-pound units are not necessarily equivalent. Inch-pound units are shown in brackets in the text for clarity, but they are the applicable values when the material is ordered to M 204.