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ASTM A722/A722M-18

Current Revision

Standard Specification for High-Strength Steel Bars for Prestressed Concrete

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1.1 This specification covers Type I and Type II high-strength steel bars intended for use in prestressed concrete construction or in prestressed ground anchors. Type I bars have a plain surface. Type II bars have surface deformations. Bars are of a minimum tensile strength level of 150 000 psi [1035 MPa].

1.2 A supplementary requirement (S1) is provided for use where bend tests of bars are required by the purchaser. The supplementary requirement applies only when specified in the purchase order.

1.3 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification.

1.4 This specification is applicable for orders in either inch-pound units (as Specification A722) or in SI units (as Specification A722M).

1.5 The values stated in either inch-pound 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 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.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


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 Sept. 1, 2018
Language en - English
Page Count 5
Revision Level 18
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