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Description of ASTM-A910 2012ASTM A910 / A910M - 12Standard Specification for Uncoated, Weldless, 2-Wire and 3-Wire Steel Strand for Prestressed ConcreteActive Standard ASTM A910 / A910M | Developed by Subcommittee: A01.05 Book of Standards Volume: 01.04 ASTM A910 / A910MAbstract This specification covers two types and two grades of 2- and 3-wire, uncoated weldless steel and strand for use in pretensioned and posttensioned prestressed concrete construction. One specimen for test shall be taken from each production lot of finished strand and tested for breaking strength, yield strength and elongation. Strands of Grades 250 and 270 shall conform to specified breaking strength and yield strength requirements. Low relaxation strand shall also be tested as prescribed. 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 2-wire and 3-wire, uncoated steel strand for use in prestressed concrete construction. The two types of strand are low-relaxation and stress-relieved (normal-relaxation). Low-relaxation is to be regarded as the standard type. Stress-relieved (normal-relaxation) strand will not be furnished unless specifically ordered. The two grades are 250 [1725] and 270 [1860]. Grades 250 [1725] and 270 [1860] 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 A910) or in SI units (as Specification A910M). 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 U.S. Military Standards MIL-STD-163 Steel Mill Products Preparation for Shipment and StorageFederal Standards Fed.Std.No.123 Marking for Shipments (Civil Agencies)Keywords 2-wire strand (tendons); 3-wire strand (tendons); prestressed concrete; steel wire; ICS Code ICS Number Code 77.140.15 (Steels for reinforcement of concrete) DOI: 10.1520/A0910_A0910M-12 ASTM International is a member of CrossRef. ASTM A910 / A910MThe following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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