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ASTM A416/A416M-99

Historical Revision

Standard Specification for Low-Relaxation, Seven-Wire Steel Strand for Prestressed Concrete

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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.


SDO ASTM: ASTM International
Document Number A416
Publication Date Sept. 10, 1999
Language en - English
Page Count 5
Revision Level 99
Supercedes
Committee A01.05
Publish Date Document Id Type View
March 1, 2024 A0416_A0416M-24 Revision
Dec. 1, 2018 A0416_A0416M-18 Revision
Dec. 1, 2017 A0416_A0416M-17A Revision
May 1, 2017 A0416_A0416M-17 Revision
March 1, 2016 A0416_A0416M-16 Revision
May 1, 2015 A0416_A0416M-15 Revision
Sept. 1, 2012 A0416_A0416M-12A Revision
April 1, 2012 A0416_A0416M-12 Revision
April 1, 2010 A0416_A0416M-10 Revision
April 1, 2006 A0416_A0416M-06 Revision
June 1, 2005 A0416_A0416M-05 Revision
Sept. 10, 2002 A0416_A0416M-02 Revision
Sept. 10, 1999 A0416_A0416M-99 Revision