ASTM A709/A709M-03a
(Specification)Standard Specification for Carbon and High-Strength Low-Alloy Structural Steel Shapes, Plates, and Bars and Quenched-and-Tempered Alloy Structural Steel Plates for Bridges
Standard Specification for Carbon and High-Strength Low-Alloy Structural Steel Shapes, Plates, and Bars and Quenched-and-Tempered Alloy Structural Steel Plates for Bridges
SCOPE
1.1 This specification covers carbon and high-strength low-alloy steel structural shapes, plates, and bars and quenched and tempered alloy steel for structural plates intended for use in bridges. Eight grades are available in four yield strength levels as follows:
Grade U.S. [SI] Yield Strength, ksi [MPa] 36 [250]36 [250] 50 [345]50 [345] 50S [345S]50 [345] 50W [345W] 50 [345] HPS 50W [HPS 345W]50 [345] HPS 70W [HPS 485W]70 [485] 100 [690] 100 [690] 100W [690W] 100 [690]
1.1.1 Grades 36 [250], 50 [345], 50S [345S], 50W [345W], 100 [690], and 100W [690W] are also included in Specifications A 36/A 36M, A 572/A 572M, A 992/A 992M, A 588/A 588M, and A 514/A 514M, respectively. When the supplementary requirements of this specification are specified, they exceed the requirements of Specifications A 36/A 36M, A 572/A 572M, A 992/A 992M, A 588/A 588M, and A 514/A 514M.
1.1.2 Grades 50W [345W], HPS 50W [HPS 345], HPS 70W [HPS 485W], and 100W [690W] have enhanced atmospheric corrosion resistance (see 11.1.2). Product availability is shown in Table 1.
1.2 Grade HPS 70W [HPS 485W], 100 [690], or 100W [690W] shall not be substituted for Grades 36 [250], 50 [345], 50S [345S], 50W [345W], or HPS 50W [HPS 345W]. Grade 50W [345W], or HPS 50W [HPS 345W] shall not be substituted for Grades 36 [250], 50 [345] or 50S [345S] without agreement between the purchaser and the supplier.
1.3 When the steel is to be welded, it is presupposed that a welding procedure suitable for the grade of steel and intended use or service will be utilized. See Appendix X3 of Specification A 6/A 6M for information on weldability.
1.4 Supplementary requirements are available but shall apply only when specified by the purchaser at the time of ordering.
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 this specification.
1.6 For structural products produced from coil and furnished without heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting of additional test results, of Specification A 6/A 6M apply.
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Designation: A 709/A 709M – 03a
Standard Specification for
Carbon and High-Strength Low-Alloy Structural Steel
Shapes, Plates, and Bars and Quenched-and-Tempered
1
Alloy Structural Steel Plates for Bridges
This standard is issued under the fixed designation A 709/A 709M; 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* 1.4 Supplementary requirements are available but shall
apply only when specified by the purchaser at the time of
1.1 This specification covers carbon and high-strength low-
ordering.
alloy steel structural shapes, plates, and bars and quenched and
1.5 The values stated in either inch-pound units or SI units
tempered alloy steel for structural plates intended for use in
are to be regarded as standard. Within the text, the SI units are
bridges. Eight grades are available in four yield strength levels
shown in brackets. The values stated in each system are not
as follows:
exact equivalents; therefore, each system must be used inde-
Grade U.S. [SI] Yield Strength, ksi [MPa]
pendently of the other. Combining values from the two systems
36 [250] 36 [250]
may result in nonconformance with this specification.
50 [345] 50 [345]
50S [345S] 50 [345] 1.6 For structural products produced from coil and fur-
50W [345W] 50 [345]
nished without heat treatment or with stress relieving only, the
HPS 50W [HPS 345W] 50 [345]
additional requirements, including additional testing require-
HPS 70W [HPS 485W] 70 [485]
100 [690] 100 [690]
ments and the reporting of additional test results, of Specifi-
100W [690W] 100 [690]
cation A 6/A 6M apply.
1.1.1 Grades 36 [250], 50 [345], 50S [345S], 50W [345W],
2. Referenced Documents
100 [690], and 100W [690W] are also included in Specifica-
2.1 ASTM Standards:
tions A 36/A 36M, A 572/A 572M, A 992/A 992M, A 588/A
A 6/A 6M Specification for General Requirements for
588M, and A 514/A 514M, respectively. When the supplemen-
Rolled Structural Steel Bars, Plates, Shapes, and Sheet
tary requirements of this specification are specified, they
2
Piling
exceed the requirements of Specifications A 36/A 36M,
2
A 36/A 36M Specification for Carbon Structural Steel
A 572/A 572M, A 992/A 992M, A 588/A 588M, and A 514/A
A 370 Test Methods and Definitions for Mechanical Testing
514M.
3
of Steel Products
1.1.2 Grades 50W [345W], HPS 50W [HPS 345], HPS 70W
A 435/A 435M Specification for Straight-Beam Ultrasonic
[HPS 485W], and 100W [690W] have enhanced atmospheric
2
Examination of Steel Plates
corrosion resistance (see 11.1.2). Product availability is shown
A 514/A 514M Specification for High-Yield-Strength,
in Table 1.
Quenched and Tempered Alloy Steel Plate, Suitable for
1.2 Grade HPS 70W [HPS 485W], 100 [690], or 100W
2
Welding
[690W] shall not be substituted for Grades 36 [250], 50 [345],
A 572/A 572M Specification for High-Strength Low-Alloy
50S [345S], 50W [345W], or HPS 50W [HPS 345W]. Grade
2
Columbium-Vanadium Structural Steel
50W [345W], or HPS 50W [HPS 345W] shall not be substi-
A 588/A 588M Specification for High-Strength Low-Alloy
tuted for Grades 36 [250], 50 [345] or 50S [345S] without
Structural Steel with 50 ksi (345 MPa) Minimum Yield
agreement between the purchaser and the supplier.
2
Point to 4 in. (100 mm) Thick
1.3 When the steel is to be welded, it is presupposed that a
A 673/A 673M Specification for Sampling Procedure for
welding procedure suitable for the grade of steel and intended
2
Impact Testing of Structural Steel
use or service will be utilized. See Appendix X3 of Specifica-
A 992/A 992M Specification for Steel for Structural Shapes
tion A 6/A 6M for information on weldability.
2
for Use in Building Framing
4
E 112 Test Methods for Determining Average Grain Size
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
2
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock, and Ships. Annual Book of ASTM Standards, Vol 01.04.
3
Current edition approved May 10, 2003. Published August 2003. Originally Annual Book of ASTM Standards, Vol 01.03.
4
approved in 1974. Last previous edition approved in 2003 as A 709/A 709M– 03. Annual Book of ASTM Standards, Vol 03.01.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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A 709/A 709M – 03a
A
TABLE 1 Tensile and Hardness Requirements
NOTE 1— Where “. . .” appears in this table, there is no requirement.
Minimum Elongation, %
...
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