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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 SI units are to be regarded as the standard. The values given in parentheses are for information only.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment
E30 Test Methods for Chemical Analysis of Steel, Cast Iron, Open-Hearth Iron, and Wrought Iron
Government StandardsMIL-STD-129 Marking for Shipment and Storage
U.S. Federal Standards
ICS Number Code 77.140.15 (Steels for reinforcement of concrete)
UNSPSC Code 30103623(Reinforcing bar or rebar or mesh)
ASTM A722 / A722M-05, Standard Specification for Uncoated High-Strength Steel Bar for Prestressing Concrete, ASTM International, West Conshohocken, PA, 2005, www.astm.orgBack to Top