ASTM A709/A709M-00a
(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. Seven 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[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 [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 .
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 cut from coiled product, 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 – 00a
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 apply only when specified by the purchaser at the time of
ordering.
1.1 This specification covers carbon and high-strength low-
1.5 The values stated in either inch-pound units or SI units
alloy steel structural shapes, plates, and bars and quenched and
are to be regarded as standard. Within the text, the SI units are
tempered alloy steel for structural plates intended for use in
shown in brackets. The values stated in each system are not
bridges. Six grades are available in four yield strength levels as
exact equivalents; therefore, each system must be used inde-
follows:
pendently of the other. Combining values from the two systems
Grade U.S. [SI] Yield Strength, ksi: [MPa]
may result in nonconformance with this specification.
36 [250] 36 [250]
50 [345] 50 [345]
2. Referenced Documents
50W [345W] 50 [345]
HPS 70W [HPS 485W] 70 [485]
2.1 ASTM Standards:
100 [690] 100 [690]
A 6/A 6M Specification for General Requirements for
100W [690W] 100 [690]
Rolled Structural Steel Bars, Plates, Shapes, and Sheet
1.1.1 Grades 36 [250], 50 [345], 50W [345W], 100 [690], 2
Piling
and 100W [690W] are also included in Specifications A 36/
2
A 36/A 36M Specification for Carbon Structural Steel
A 36M, A 572/A 572M, A 588/A 588M, and A 514/A 514M,
A 370 Test Methods and Definitions for Mechanical Testing
respectively. When the supplementary requirements of this 3
of Steel Products
specification are specified, they exceed the requirements of
A 435/A 435M Specification for Straight-Beam Ultrasonic
Specifications A 36/A 36M, A 572/A 572M, A 588/A 588M, 2
Examination of Steel Plates
and A 514/A 514M.
A 514/A 514M Specification for High-Yield-Strength,
1.1.2 Grades 50W [345W], HPS 70W [HPS 485W], and
Quenched and Tempered Alloy Steel Plate, Suitable for
100W [690W] have enhanced atmospheric corrosion resistance
2
Welding
(see 11.1.2). Product availability is shown in Table 1.
A 572/A 572M Specification for High-Strength Low-Alloy
1.1.3 Grade HPS 70W [HPS 485 W] has enhanced tough-
2
Columbium-Vanadium Structural Steel
ness when Supplementary Requirements S 83 or S 84 are
A 588/A 588M Specification for High-Strength Low-Alloy
specified.
Structural Steel with 50 ksi (345 MPa) Minimum Yield
1.2 Grades HPS 70W [HPS 485W], 100 [690], or 100W 2
Point to 4 in. (100 mm) Thick
[690W] shall not be substituted for Grades 36 [250], 50 [345],
A 673/A 673M Specification for Sampling Procedure for
or 50W [345W]. Grade 50W [345W] shall not be substituted 2
Impact Testing of Structural Steel
for Grades 36 [250] or 50 [345] without agreement between the
E 112 Test Methods for Determining the Average Grain
purchaser and supplier. 4
Size
1.3 When the steel is to be welded, it is presupposed that a
G 101 Guide for Estimating the Atmospheric Corrosion
welding procedure suitable for the grade of steel and intended 5
Resistance of Low-Alloy Steels
use or service will be utilized. See Appendix X3 of Specifica-
tion A 6/A 6M for information on weldability.
3. General Requirements for Delivery
1.4 Supplementary requirements are available but shall
3.1 Material furnished under this specification shall con-
form to the requirements of the current edition of Specification
1
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
2
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee Annual Book of ASTM Standards, Vol 01.04.
3
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock, and Ships. Annual Book of ASTM Standards, Vol 01.03.
4
Current edition approved Nov. 22, 2000. Published November 2000. Originally Annual Book of ASTM Standards, Vol 03.01.
5
published as A 709 – 74. Last previous edition A 709/A 709M– 00. Annual Book of ASTM Standards, Vol 03.02.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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A 709/A 709M
A
TABLE 1 Tensile and Hardness Requirements
NOTE 1— Where “. . .” appears in this table, there is no requirement.
Minimum Elongation, %
Yield Point
Reduc- Brinell
EC E
or Yield Tensile Plates and Bars Shapes
Plate Thickness, Structural Shapes tion of Hard-
B
Grade Strength, Strength,
C,D
in. [mm] Groups Area ness
8 in. 2 in. 8 in. 2 in.
min, ksi ksi [MPa]
or 200 or 50 or
...
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