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1.1 This specification covers ASTM Specification A 416 low-relaxation Grade 250 and Grade 270 seven-wire prestressing steel strand with protective fusion-bonded epoxy coating applied by the electrostatic deposition method or other method that will meet the coating requirements in Section 7.
Note 1—The manufacturer as identified throughout this specification is the coating applicator.
1.2 Supplementary Requirements S1 contains requirements for epoxy-coated and filled strand. Epoxy-coated and filled strand shall not be furnished unless ordered, or by arrangement between purchaser and manufacturer.
Note 2—This standard is a product specification and it does not delineate requirements regarding the use of epoxy-coated strand. Proper use of epoxy-coated strand includes design considerations, handling, installing, and stressing of strands, permissible concrete curing temperature, and procedures for repairing damaged coating and protection of the ends of strands. Information and procedures for such items are presented in a report by the PCI Ad Hoc Committee on Epoxy-Coated Strand.
1.3 This specification is applicable for orders in either inch-pound units (as Specification A 882) or SI units [as Specification A 882M].
1.4 The values stated in either inch-pound or SI units are to be regarded as standard. Within the test, the SI units are shown in brackets. The values stated in each system must be used independently of the other. Combining values from the two systems may result in nonconformance with this 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
A416/A416M Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete
B117 Practice for Operating Salt Spray (Fog) Apparatus
D968 Test Methods for Abrasion Resistance of Organic Coatings by Falling Abrasive
G12 Test Method for Nondestructive Measurement of Film Thickness of Pipeline Coatings on Steel
G14 Test Method for Impact Resistance of Pipeline Coatings (Falling Weight Test)
G20 Test Method for Chemical Resistance of Pipeline Coatings
Federal Highway Administration ReportFHWA-RD-74-18 Nonmetallic Coatings for Concrete Reinforcing Bars (February 1974) Available from National Technical Information Service (NTIS), 5285 Port Royal Rd., Springfield, VA 22161, http://www.ntis.gov.
ICS Number Code 77.140.65 (Steel wire, wir ropes and link chains)
UNSPSC Code 31152206(Coated steel wire); 31152207(Prestressed concrete steel wire)
ASTM A882 / A882M-02a, Standard Specification for Filled Epoxy-Coated Seven-Wire Prestressing Steel Strand, ASTM International, West Conshohocken, PA, 2002, www.astm.orgBack to Top