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ASTM-A421/A421M:2015 Edition(Redline)

ASTM-A421/A421M:2015 Edition(Redline)

$29.25

A421/A421M-15 Standard Specification for Stress-Relieved Steel Wire for Prestressed Concrete (Redline)

Published By Publication Date Number of Pages
ASTM 2015 5
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ASTM A421/A421M-15

Redline Standard: Standard Specification for Stress-Relieved Steel Wire for Prestressed Concrete

ASTM A421/A421M

Scope

1.1 This specification covers two types of stress-relieved round high-carbon steel wire commonly used in prestressed concrete construction, as follows:

1.1.1 Type BA wire is used for applications in which cold-end deformation is used for anchoring purposes (Button Anchorage), and

1.1.2 Type WA wire is used for application in which the ends are anchored by wedges, and no cold-end deformation of the wire is involved (Wedge Anchorage).

1.2 A supplementary requirement (S1) is provided for use where low-relaxation wire and relaxation testing for that product is required by the purchaser. The supplementary requirement applies only when specified in the purchase order.

1.3 This specification is applicable for orders in either inch-pounds units (as Specification A421) or in SI units (as Specification A421M).

1.4 The values stated in either inch-pound or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the specification.

Keywords

cold-drawn wire; low-relaxation wire; prestressed concrete; steel wire (tendon); stress-relieved wire;

ICS Code

ICS Number Code 77.140.15 (Steels for reinforcement of concrete)

DOI: 10.1520/A0421_A0421M-15

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