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ASTM A886/A886M-12

Historical Revision

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

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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.


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.


SDO ASTM: ASTM International
Document Number A886
Publication Date Nov. 15, 2012
Language en - English
Page Count 5
Revision Level 12
Supercedes
Committee A01.05
Publish Date Document Id Type View
March 1, 2024 A0886_A0886M-24 Revision
Nov. 1, 2017 A0886_A0886M-17 Revision
Dec. 1, 2016 A0886_A0886M-16 Revision
Nov. 15, 2012 A0886_A0886M-12 Revision
April 1, 2010 A0886_A0886M-10 Revision
Sept. 1, 2005 A0886_A0886M-05 Revision
Sept. 10, 2002 A0886_A0886M-02 Revision
Sept. 10, 1999 A0886_A0886M-99 Revision