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Description of ASTM-A886 2012ASTM A886 / A886M - 12Standard Specification for Steel Strand, Indented, Seven-Wire Stress-Relieved for Prestressed ConcreteActive Standard ASTM A886 / A886M | Developed by Subcommittee: A01.05 Book of Standards Volume: 01.04 ASTM A886 / A886MAbstract This specification covers seven-wire uncoated, indented, stress-relieved carbon steel strands for use in pre-stressed concrete construction. Wire dimensions, indentations, and mechanical properties shall be in accordance to the values specified in this specification. The carbon steel strand is produced to satisfy only the specified mechanical properties, this specification contains no information on the chemical composition of the wires. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This specification covers two types and two grades of indented seven-wire uncoated, steel strand for use in prestressed concrete construction. The two types of strand are low-relaxation and stress-relieved (normal-relaxation). Grade 250I [1725I] and Grade 270I [1860I] have minimum tensile strengths of 250 ksi [1725 MPa] and 270 ksi [1860 MPa], respectively, based on the nominal area of the strand. 1.2 This specification is applicable for orders in either inch-pound units (as Specification A886) or in SI units (as Specification A886M). 1.3 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 are not 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.
ASTM Standards A1061/A1061M Test Methods for Testing Multi-Wire Steel Strand Keywords indentations; prestressed concrete; seven-wire strand (tendon); steel wire ; ICS Code ICS Number Code 77.140.15 (Steels for reinforcement of concrete) DOI: 10.1520/A0886_A0886M-12 ASTM International is a member of CrossRef. ASTM A886 / A886MThe following editions for this book are also available...
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