ASTM A871/A871M-03

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Designation: A 871/A 871M – 03
Standard Specification for
High-Strength Low-Alloy Structural Steel Plate With
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Atmospheric Corrosion Resistance
This standard is issued under the fixed designationA871/A 871M; 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* A 673/A 673M Specification for Sampling Procedure for
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Impact Testing of Structural Steel
1.1 This specification covers high-strength low-alloy steel
G 101 Guide for Estimating Atmospheric Corrosion Resis-
plate intended for use in tubular structures and poles or in other
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tance of Low-Alloy Steels
suitable applications. Two grades, 60 and 65, may be provided
as-rolled, normalized or quenched and tempered as required to
3. General Requirements for Delivery
meet the specified mechanical requirements.
3.1 Material furnished under this specification shall con-
1.2 The atmospheric corrosion resistance of this steel in
form to the requirements of the current edition of Specification
most environments is substantially better than that of carbon
A 6/A 6M, for the ordered material, unless a conflict exists in
structural steels with or without copper addition (see Note 1).
which case this specification shall prevail.
When properly exposed to the atmosphere, this steel can be
used bare (unpainted) for many applications.
4. Materials and Manufacture
NOTE 1—For methods of estimating the atmospheric corrosion resis-
4.1 The steel shall be made to fine grain practice.
tance of low-alloy steels, see Guide G 101.
5. Heat Treatment
1.3 When the steel is to be welded, it is presupposed that
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welding procedures suitable for the grade of steel and intended 5.1 Grade 65 in thicknesses of ⁄16 to ⁄4 in. [5 to 20 mm] and
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use or service will be utilized. See Appendix X3 of Specifica- Grade 60 in thicknesses of ⁄16 to 1 ⁄8 in. [5 to 35 mm] are
tion A 6/A 6M for information on weldability. normally furnished in the as-rolled condition. The manufac-
1.4 Supplementary requirements in accordance with Speci- turer has the option to heat treat this material to meet the
fication A 6/A 6M are available, but shall apply only when mechanical requirements of Section 7. Quenched and tempered
specified by the purchaser at time of ordering. materialshallbeheattreatedbyheatingtonotlessthan1650°F
1.5 The values stated in either inch-pound units or SI units [900°C], holding a sufficient time to attain uniform heat
are to be regarded as standard. Within the text, the SI units are throughout the material, quenching in a suitable medium, and
shown in brackets. The values stated in each system are not tempering at not less than 1100°F [595°C]. Heat treating
exact equivalents; therefore, each system must be used inde- temperatures shall be reported on the test certificates.
pendentlyoftheother.Combiningvaluesfromthetwosystems 5.2 The maximum thickness of plates is limited only by the
may result in nonconformance with the specification. capacity of the composition to meet the specified mechanical
requirements. The individual manufacturer shall be contacted
2. Referenced Documents
to determine the actual maximum thickness for each grade and
2.1 ASTM Standards: heat treatment method.
A 6/A 6M Specification for General Requirements for
6. Chemical Requirements
Rolled Structural Steel Bars, Plates, Shapes, and Sheet
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Piling 6.1 The heat analysis shall conform to the chemical require-
A 370 Test Methods and Definitions for MechanicalTesting ments of Table 1.
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of Steel Products 6.2 The steel shall conform on product analysis to the
chemical requirements of Table 1, subject to the product
analysis tolerances in Specification A 6/A 6M.
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This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel, and RelatedAlloys and is the direct responsibility of Subcommittee
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock, and Ships.
Current edition approved April 10, 2003. Published June 2003. Originally
approved in 1987. Last previous edition approved in 2001 as A 871/A 871M – 01.
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Annual Book of ASTM Standards, Vol 01.04.
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Annual Book of ASTM Standards, Vol 01.03. Annual Book of ASTM Standards, Vol 03.02.
*ASummary 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 871/A 871M – 03
A
TABLE 1 Chemical Requirements (Heat Analysis) TABLE 2 Tensile Requirements
Composition, % Minimum
C
Element
B Elongation, %
Yield Strength Tensile Strength
Type I Type II Type III Type IV
Grade
mi
...