ASTM A1035/A1035M-06
(Specification)Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement
Standard Specification for Deformed and Plain, Low-carbon, Chromium, Steel Bars for Concrete Reinforcement
SCOPE
1.1 This specification covers low-carbon, chromium, steel bars, deformed and plain for concrete reinforcement in cut lengths and coils. The standard sizes and dimensions of deformed bars and their number designations are given in . 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.
1.2 Bars are of a single minimum yield strength level as defined in : namely, 100 000 psi [690 MPa].
Designers need to be aware that typical design standards limit the design strength to 80 000 psi [550 MPa], except for prestressing steel. Members reinforced with bars with yield strengths that are considerably above 80 000 psi [550 MPa] may exhibit behavior that differs from that expected of conventional reinforced concrete members or may require special detailing to ensure adequate performance at service and factored loads.
1.3 Deformed bars shall have a minimum yield strength and other tensile properties in accordance with . Hot-rolled plain rounds in sizes up to and including 2.25 in. [57.2 mm] in diameter in coils or cut lengths when specified for dowels, spirals, structural ties or bar supports shall be furnished under this specification and shall also meet the tensile properties requirements of . Ductility properties for plain rounds shall be those of the nearest smaller nominal diameter deformed bar size in . Requirements covering deformation dimensions and marking are not applicable to plain rounds.
Welding of the material in this specification should be approached with caution since no specific provisions have been included to enhance its weldability. When this steel is to be welded, a welding procedure suitable for the chemical composition and intended use or service should be used.
1.4 This specification is applicable for orders in either inch-pound units (as Specification A 1035) or in SI units (as Specification A 1035M).
1.5 The values stated in either inch-pound units or SI units are to be regarded as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
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Designation: A 1035/A 1035M – 06
Standard Specification for
Deformed and Plain, Low-carbon, Chromium, Steel Bars for
1
Concrete Reinforcement
This standard is issued under the fixed designation A 1035/A 1035M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope* 1.5 The values stated in either inch-pound units or SI units
are to be regarded as standard. Within the text, the SI units are
1.1 This specification covers low-carbon, chromium, steel
shown in brackets. The values stated in each system are not
bars, deformed and plain for concrete reinforcement in cut
exact equivalents; therefore, each system must be used inde-
lengths and coils. The standard sizes and dimensions of
pendentlyoftheother.Combiningvaluesfromthetwosystems
deformed bars and their number designations are given in
may result in nonconformance with the specification.
Table 1. The text of this specification references notes and
footnotes which provide explanatory material. These notes and
2. Referenced Documents
footnotes (excluding those in tables and figures) shall not be
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2.1 ASTM Standards:
considered as requirements of the specification.
A 6/A 6M Specification for General Requirements for
1.2 Bars are of a single minimum yield strength level as
Rolled Structural Steel Bars, Plates, Shapes, and Sheet
defined in 9.2: namely, 100 000 psi [690 MPa].
Piling
NOTE 1—Caution: Designers need to be aware that typical design
A 370 Test Methods and Definitions for MechanicalTesting
standards limit the design strength to 80 000 psi [550 MPa], except for
of Steel Products
prestressing steel. Members reinforced with bars with yield strengths that
A 510 Specification for General Requirements for Wire
are considerably above 80 000 psi [550 MPa] may exhibit behavior that
Rods and Coarse Round Wire, Carbon Steel
differs from that expected of conventional reinforced concrete members or
A 700 Practices for Packaging, Marking, and Loading
may require special detailing to ensure adequate performance at service
and factored loads.
Methods for Steel Products for Shipment
A 751 Test Methods, Practices, and Terminology for
1.3 Deformed bars shall have a minimum yield strength and
Chemical Analysis of Steel Products
other tensile properties in accordance with Table 2. Hot-rolled
E29 Practice for Using Significant Digits in Test Data to
plain rounds in sizes up to and including 2.25 in. [57.2 mm] in
Determine Conformance with Specifications
diameter in coils or cut lengths when specified for dowels,
2.2 U.S. Military Standard:
spirals, structural ties or bar supports shall be furnished under
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MIL STD-129 Marking for Shipment and Storage
this specification and shall also meet the tensile properties
2.3 U.S. Federal Standard:
requirements of Table 2. Ductility properties for plain rounds
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Fed. Std. No. 123 Marking for Shipment (Civil Agencies)
shall be those of the nearest smaller nominal diameter de-
formedbarsizeinTable2.Requirementscoveringdeformation
3. Terminology
dimensions and marking are not applicable to plain rounds.
3.1 Definitions of Terms Specific to This Standard:
NOTE 2—Welding of the material in this specification should be
3.1.1 deformations, n—protrusions on a deformed bar.
approached with caution since no specific provisions have been included
3.1.2 deformed bar, n—steel bar with protrusions; a bar that
to enhance its weldability. When this steel is to be welded, a welding
is intended for use as reinforcement in reinforced concrete
procedure suitable for the chemical composition and intended use or
construction.
service should be used.
3.1.2.1 Discussion—The surface of the bar is provided with
1.4 This specification is applicable for orders in either
lugs or protrusions that inhibit longitudinal movement of the
inch-pound units (as Specification A 1035) or in SI units (as
Specification A 1035M).
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Standards volume information, refer to the standard’s Document Summary page on
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee the ASTM website.
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A01.05 on Steel Reinforcement. AvailablefromStandardizationDocumentsOrderDesk,Bldg.4SectionD,700
Current edition approved March 1, 2006. Published March 2006. Originally Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS. Or visit: http://
approvedin2004.Lastpreviouseditionapprovedin2005asA 1035/A 1035M – 05. assist.daps.dla.mil/online.
*ASummary of Chan
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