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Standard Specification for Stress-Relieved Steel Wire for Prestressed Concrete
STANDARD published on 1.11.2015
Designation standards: ASTM A421/A421M-15
Note: WITHDRAWN
Publication date standards: 1.11.2015
SKU: NS-621952
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Steels for reinforcement of concreteSteel wire, wire ropes and link chains
Keywords:
cold-drawn wire, low-relaxation wire, prestressed concrete, steel wire (tendon), stress-relieved wire,, ICS Number Code 77.140.15 (Steels for reinforcement of concrete),77.140.65 (Steel wire, wir ropes and link chains)
1. 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. |
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2. Referenced Documents | ||||||||||
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