ASTM A871/A871M-03(2007)

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Designation: A871/A871M – 03 (Reapproved 2007)
Standard Specification for
High-Strength Low-Alloy Structural Steel Plate With
Atmospheric Corrosion Resistance
This standard is issued under the fixed designationA871/A871M; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope Structural Steel Bars, Plates, Shapes, and Sheet Piling
A370 Test Methods and Definitions for Mechanical Testing
1.1 This specification covers high-strength low-alloy steel
of Steel Products
plate intended for use in tubular structures and poles or in other
A673/A673M Specification for Sampling Procedure for
suitable applications. Two grades, 60 and 65, may be provided
Impact Testing of Structural Steel
as-rolled, normalized or quenched and tempered as required to
G101 Guide for Estimating the Atmospheric Corrosion
meet the specified mechanical requirements.
Resistance of Low-Alloy Steels
1.2 The atmospheric corrosion resistance of this steel in
most environments is substantially better than that of carbon
3. General Requirements for Delivery
structural steels with or without copper addition (see Note 1).
3.1 Material furnished under this specification shall con-
When properly exposed to the atmosphere, this steel can be
form to the requirements of the current edition of Specification
used bare (unpainted) for many applications.
A6/A6M, for the ordered material, unless a conflict exists in
NOTE 1—For methods of estimating the atmospheric corrosion resis-
which case this specification shall prevail.
tance of low-alloy steels, see Guide G101.
4. Materials and Manufacture
1.3 When the steel is to be welded, it is presupposed that
welding procedures suitable for the grade of steel and intended 4.1 The steel shall be made to fine grain practice.
use or service will be utilized. See Appendix X3 of Specifica-
5. Heat Treatment
tion A6/A6M for information on weldability.
3 3
1.4 Supplementary requirements in accordance with Speci- 5.1 Grade 65 in thicknesses of ⁄16 to ⁄4 in. [5 to 20 mm] and
3 3
fication A6/A6M are available, but shall apply only when Grade 60 in thicknesses of ⁄16 to 1 ⁄8 in. [5 to 35 mm] are
specified by the purchaser at time of ordering. normally furnished in the as-rolled condition. The manufac-
1.5 The values stated in either inch-pound units or SI units turer has the option to heat treat this material to meet the
are to be regarded as standard. Within the text, the SI units are mechanicalrequirementsofSection7.Quenchedandtempered
shown in brackets. The values stated in each system are not materialshallbeheattreatedbyheatingtonotlessthan1650°F
exact equivalents; therefore, each system must be used inde- [900°C], holding a sufficient time to attain uniform heat
pendentlyoftheother.Combiningvaluesfromthetwosystems throughout the material, quenching in a suitable medium, and
may result in nonconformance with the specification. tempering at not less than 1100°F [595°C]. Heat treating
temperatures shall be reported on the test certificates.
2. Referenced Documents
5.2 The maximum thickness of plates is limited only by the
2.1 ASTM Standards: capacity of the composition to meet the specified mechanical
A6/A6M SpecificationforGeneralRequirementsforRolled
requirements. The individual manufacturer shall be contacted
to determine the actual maximum thickness for each grade and
heat treatment method.
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee 6. Chemical Requirements
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock and Ships.
6.1 The heat analysis shall conform to the chemical require-
Current edition approved Sept. 1, 2007. Published September 2007. Originally
ments of Table 1.
approved in 1987. Last previous edition approved in 2003 as A871/A871M – 03.
DOI: 10.1520/A0871_A0871M-03R07.
6.2 The steel shall conform on product analysis to the
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
chemical requirements of Table 1, subject to the product
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
analysis tolerances in Specification A6/A6M.
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
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A871/A871M – 03
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