ASTM A588/A588M-01

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Designation: A 588/A 588M – 01 American Association State
Highway and Transportation Officials Standard
AASHTO No.: M 222
Standard Specification for
High-Strength Low-Alloy Structural Steel with 50 ksi [345
1
MPa] Minimum Yield Point to 4–in. [100–mm] Thick
This standard is issued under the fixed designation A 588/A 588M; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope Rolled Structural Steel Bars, Plates, Shapes and Sheet
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Piling
1.1 This specification covers high-strength low-alloy struc-
G 101 Guide for Estimating Atmospheric Corrosion Resis-
tural steel shapes, plates, and bars for welded, riveted, or bolted
3
tance of Low-Alloy Steels
construction but intended primarily for use in welded bridges
and buildings where savings in weight or added durability are
3. General Requirements for Delivery
important. The atmospheric corrosion resistance of this steel in
3.1 Material furnished under this specification shall con-
most environments is substantially better than that of carbon
form to the requirements of the current edition of Specification
structural steels with or without copper addition (see Note 1).
A 6/A 6M, for the ordered material, unless a conflict exists in
When properly exposed to the atmosphere, this steel is suitable
which case this specification shall prevail.
for many applications in the bare (unpainted) condition. This
3.1.1 Coiled product is excluded from qualification to this
specification is limited to material up to 8 in. [200 mm]
specification until leveled and cut to length. Structural products
inclusive in thickness.
produced from coil means structural products that have been
NOTE 1—For methods of estimating the atmospheric corrosion resis-
cut to individual lengths from a coiled product and are
tance of low-alloy steels, see Guide G 101.
furnished without heat treatment. The processor decoils, levels,
1.2 When the steel is to be welded, a welding procedure
cuts to length, and marks the product. The processor is
suitable for the grade of steel and intended use or service is to
responsible for performing and certifying all tests, inspections,
be utilized. See Appendix X3 of Specification A 6/A 6M for
and operations not intended to affect the properties of the
information on weldability.
material. For structural products produced from coils, two tests
1.3 The values stated in either inch-pound units or SI units
shall be reported for each qualifying coil. See Note 2.
are to be regarded separately as standard. Within the text, the
NOTE 2—Additional requirements regarding structural products from
SI units are shown in brackets. The values stated in each
coil are described in Specification A 6/A 6M.
system are not exact equivalents; therefore, each system is to
be used independently of the other, without combining values
4. Materials and Manufacture
in any way.
4.1 The steel shall be made to fine grain practice.
1.4 The text of this specification contains notes, footnotes,
or both, that provide explanatory material. Such notes and 5. Chemical Composition
footnotes, excluding those in tables and figures, do not contain
5.1 The heat analysis shall conform to the requirements
any mandatory requirements.
prescribed in Table 1.
1.5 For structural products cut from coiled product, the
5.2 The steel shall conform on product analysis to the
additional requirements, including additional testing require-
requirements prescribed in Table 1, subject to the product
ments and the reporting of additional test results, of Specifi-
analysis tolerances in Specification A 6/A 6M.
cation A 6/A 6M apply.
5.3 The atmospheric corrosion-resistance index, calculated
on the basis of the heat analysis of the steel, as described in
2. Referenced Documents
Guide G 101–Predictive Method Based on the Data of Larabee
2.1 ASTM Standards:
and Coburn, shall be 6.0 or higher.
A 6/A 6M Specification for General Requirements for
NOTE 3—The user is cautioned that the Guide G 101 predictive
equation (Predictive Method Based on the Data of Larabee and Coburn)
for calculation of an atmospheric corrosion-resistance index has only been
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, verifed for the composition limits stated in the guide.
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock, and Ships.
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Current edition approved Sept. 10, 2001. Published September 2001. Originally Annual Book of ASTM Standards, Vol 01.0
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