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1.1 This specification covers uncoated, deformed, stress-relieved, and stress-relieved low-relaxation wire for use as prestressed tendons in concrete railroad ties.
1.2 The values stated in either-inch-pound units or SI units are to be regarded separately as standard. Within the text, the inch-pound units are shown in parentheses. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values for the two systems may result in non-conformance with the specification.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A421/A421M Specification for Stress-Relieved Steel Wire for Prestressed Concrete
A700 Guide for Packaging, Marking, and Loading Methods for Steel Products for Shipment
U.S. Military StandardMIL-STD-129
ICS Number Code 77.140.15 (Steels for reinforcement of concrete)
UNSPSC Code 31152207(Prestressed concrete steel wire)
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ASTM A881 / A881M-05, Standard Specification for Steel Wire, Deformed, Stress-Relieved or Low-Relaxation for Prestressed Concrete Railroad Ties, ASTM International, West Conshohocken, PA, 2005, www.astm.orgBack to Top