ASTM A827/A827M-93a(1998)

NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: A 827/A 827M – 93a (Reapproved 1998)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Plates, Carbon Steel, for Forging and Similar Applications
This standard is issued under the fixed designation A 827/A 827M; 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 4. Manufacture
1.1 This specification covers carbon steel plates, forging 4.1 Steelmaking Practice—The steel shall be killed.
quality, intended for forging, quenching-and-tempering, and 4.2 Heat Treatment—The plates are usually furnished in the
similar applications in which uniformity of composition and as-rolled (hot-rolled) condition unless otherwise specified on
freedom from injurious imperfections are important. the order.
1.2 The plates are available in six grades, or chemical
5. Chemical Composition
compositions.
1.3 Supplementary Requirements are provided for addi- 5.1 The heat analysis shall conform to the requirements for
the applicable grade listed in Table 1.
tional requirements which may be specified on the order.
1.4 When the steel is to be welded, it is presupposed that a
6. Mechanical Property Requirements
welding procedure suitable for the grade of steel and intended
6.1 The plates shall not be subject to mechanical property
use or service will be utilized. See Appendix X 3 of Specifi-
testing unless otherwise specified on the order.
cation A 6/A 6M for information on weldability.
1.5 The values stated in either inch-pound or SI units are to
7. Quality
be regarded as standard. Within the text, the SI units are shown
7.1 General—The plates shall be free of injurious imper-
in brackets. The values stated in each system are not exact
fections and shall have a workmanlike finish.
equivalents; therefore, each system must be used indepen-
7.2 Finish—The plates shall be furnished with a finish such
dently of the other. Combining values from the two sytems
as that produced by hot-rolling, except for ground areas
may result in nonconformance with the specification.
resulting from conditioning operations, unless otherwise speci-
2. Referenced Documents
fied on the order.
7.3 Surface Imperfections:
2.1 ASTM Standards:
7.3.1 All injurious surface imperfections shall be removed
A 6/A6M Specification for General Requirements for
by the material manufacturer or processor.
Rolled Structural Steel Bars, Plates, Shapes, and Sheet
7.3.1.1 Shallow imperfections shall be ground to sound
Piling
metal; the ground area shall be well-faired and the thickness of
2.2 ASME Code:
the ground plate shall not be reduced below the minimum
Boiler and Pressure Vessel Code, Section IX, Welding
thickness permitted.
Qualifications
7.3.1.2 All surface imperfections, the removal of which will
3. General Requirements and Ordering Information
reduce the plate thickness below the minimum permitted, shall
3.1 Material furnished under this specification shall con- be cause for rejection; however, such imperfections may be
repaired by welding as provided in 7.5.
form to the requirements of the current edition of Specification
A 6/A 6M, for the ordered material, unless a conflict exists in 7.4 Edge Imperfections:
7.4.1 Laminar-type discontinuities 1 in. [25 mm] and less in
which case this specification shall prevail.
length, and visible to the unaided eye on the edges of plates as
prepared for shipment by the manufacturer or processor, are
acceptable and do not require exploration.
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
7.4.2 All larger discontinuities shall be explored to deter-
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
A01.02 on Structural Steel for Bridges, Buildings, Rolling Stock, and Ships. mine their depth and extent. Discontinuities shall be considered
Current edition approved Dec. 15, 1993. Published February 1994. Originally
continuous when located in the same plane within 5 % of the
published as A 827 – 84. Last previous edition A 827 – 93.
plate thickness and when separated by a distance less than the
Annual Book of ASTM Standards, Vol 01.04.
length of the smaller of two adjacent discontinuities.
Available from American Society of Mechanical Engineers, 345 E. 47th St.,
New York, NY 10017.
A 827/A 827M
TABLE 1 Chemical Requirements
Grade Element, %
UNS SAE Carbon Manganese Phosphorus, max Sulfur, max Silicon
G10090 1009 0.15 max 0.60 max 0.
...