ASTM A881/A881M: Standard Specification for Steel Wire, Indented, Low-Relaxation for Prestressed Concrete Railroad Ties
SDO: ASTM: ASTM International
DOD Adopted ANSI Approved Approved
This specification covers uncoated, indented, lowrelaxation steel wire for use as prestressing tendons in concrete railroad ties.
The values stated in either inch-pound units 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 standard.
*A Summary of Changes section appears at the end of this standard.
- concrete railroad ties
- deformed wire
- prestressed concrete
- steel wire (tendon)
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