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ASTM-A421:1998 Edition

ASTM-A421:1998 Edition

$35.75

A421/A421M-98a Standard Specification for Uncoated Stress-Relieved Steel Wire for Prestressed Concrete

Published By Publication Date Number of Pages
ASTM 1998 3
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1.1 This specification covers two types of uncoated stress-relieved round high-carbon steel wire commonly used in prestressed linear 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 Supplement I describes low relaxation wire and relaxation testing for that product.

1.3 The values stated in inch-pound units are to be regarded as the standard.

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