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ASTM A722/A722M-12

Historical Revision

Standard Specification for High-Strength Steel Bars for Prestressed Concrete

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1.1 This specification covers uncoated high-strength steel bars intended for use in pretensioned and post-tensioned prestressed concrete construction or in prestressed ground anchors. Bars are of a minimum ultimate tensile strength level of 1035 MPa (150 000 psi).

1.2 Two types of bars are provided: Type I bar has a plain surface and Type II bar has surface deformations.

1.3 Supplementary requirements of an optional nature are provided. They shall apply only when specified by the purchaser.

1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be 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 uncoated high-strength steel bars intended for use in pretensioned and post-tensioned prestressed concrete construction or in prestressed ground anchors. Two types of bars are considered: Type I bar, which has a plain surface and Type II bar, which has surface deformations. The bars shall be rolled from properly identified heats of ingot cast or strand cast steel. The bars shall be subjected to cold-stressing and then shall be stress-relieved to produce the prescribed mechanical properties. Yield strength, elongation, and tension tests shall be performed.


SDO ASTM: ASTM International
Document Number A722
Publication Date May 1, 2012
Language en - English
Page Count 5
Revision Level 12
Supercedes
Committee A01.05
Publish Date Document Id Type View
Sept. 1, 2018 A0722_A0722M-18 Revision
April 15, 2015 A0722_A0722M-15 Revision
May 1, 2012 A0722_A0722M-12 Revision
March 1, 2007 A0722_A0722M-07 Revision
Sept. 1, 2006 A0722_A0722M-06 Revision
March 1, 2005 A0722_A0722M-05 Revision
April 10, 1998 A0722_A0722M-98 Revision
April 10, 2003 A0722_A0722M-98R03 Reaffirmation