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AASHTO M 275M/M 275
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AASHTO M 275M/M 275 2008 Edition, January 1, 2008 Standard Specification for Uncoated High-Strength Steel Bars for Prestressing Concrete
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Description / Abstract:
This specification covers uncoated high-strength steel bars intended for use in pretensioned and posttensioned prestressed concrete construction or in prestressed ground anchors. Bars are of a minimum ultimate tensile strength level of 1035 MPa [150,000 psi].
Two types of bars are provided: Type I bar has a plain surface and Type II bar has surface deformations.
Supplementary requirements of an optional nature are provided. They shall apply only when specified by the purchaser.
This specification is applicable for orders in either SI units (M 275M) or in inch-pound units (M 275). SI units and inch-pound units are not necessarily equivalent. Inch-pound units are shown in brackets in the text for clarity, but they are the applicable values when the material is ordered to M 275.
Two types of bars are provided: Type I bar has a plain surface and Type II bar has surface deformations.
Supplementary requirements of an optional nature are provided. They shall apply only when specified by the purchaser.
This specification is applicable for orders in either SI units (M 275M) or in inch-pound units (M 275). SI units and inch-pound units are not necessarily equivalent. Inch-pound units are shown in brackets in the text for clarity, but they are the applicable values when the material is ordered to M 275.