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ASTM A779/A779M-10

Historical Revision

Standard Specification for Steel Strand, Seven-Wire, Uncoated, Compacted for Prestressed Concrete (Withdrawn 2025)

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1.1 This specification describes three grades of compacted, seven-wire, uncoated, stress-relieved strand for use in pre-tensioned and post-tensioned prestressed concrete construction.

1.2 Supplement I describes low-relaxation strand and low-relaxation testing.

1.3 The values stated in either inch-pound or SI units are to be regarded as standard. Within the text, the inch-pound units are shown in parentheses. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other, without combining values in any way.


This specification covers seven-wire, uncoated, compacted, stress-relieved steel strand for prestressed concrete. The chemical requirements, mechanical requirements, and dimensions and permissible variations are presented. The mechanical requirement includes breaking strength, load at 1% extension and elongation. Different test method shall be performed on the strand that includes dimension test, breaking strength test, load at 1% extension test, elongation test and workmanship.


SDO ASTM: ASTM International
Document Number A779
Publication Date April 1, 2010
Language en - English
Page Count 4
Revision Level 10
Supercedes
Committee A01.05
Publish Date Document Id Type View
Sept. 1, 2016 A0779_A0779M-16 Revision
Sept. 1, 2012 A0779_A0779M-12 Revision
April 1, 2010 A0779_A0779M-10 Revision
March 1, 2005 A0779_A0779M-05 Revision
Jan. 10, 2000 A0779_A0779M-00 Revision