Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM A416/A416M-99

Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete

Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete A0416_A0416M-99 ASTM|A0416_A0416M-99|en-US Standard Specification for Steel Strand, Uncoated Seven-Wire for Prestressed Concrete Standard new BOS Vol. 01.04 Committee A01
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Scope

1.1 This specification covers two types and two grades of seven-wire, uncoated steel strand for use in pretensioned and post-tensioned prestressed concrete construction. The two types of strand are low-relaxation and stress-relieved (normal-relaxation). Low-relaxation strand shall be regarded as the standard type. Stress-relieved (normal-relaxation) strand will not be furnished unless specifically ordered, or by arrangement between purchaser and supplier. Grade 250 [1725] and Grade 270 [1860] have minimum ultimate strengths of 250000 psi [1725 MPa] and 270000 psi [1860 MPa], respectively, based on the nominal area of the strand.

1.2 The values stated in either inch-pound units or SI units are to be regarded 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 must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

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Details
Book of Standards Volume: 01.04
Developed by Subcommittee: A01.05
Pages: 5
DOI: 10.1520/A0416_A0416M-99
ICS Code: 77.140.15