ASTM A285/A285M-90(1996)e1
(Specification)Standard Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength
Standard Specification for Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength
SCOPE
1.1 This specification covers carbon steel plates of low- and intermediate-tensile strengths which may be made by killed, semi-killed, capped, or rimmed steel practices at the producer's option. These plates are intended for fusion-welded pressure vessels.
1.2 Plates under this specification are available in three grades having different strength levels as follows:Tensile Strength,Gradeksi [MPa]A45-65 [310-450]B50-70 [345-485]C55-75 [380-515]
1.3 The maximum thickness of plates under this specification, for reasons of internal soundness, is limited to a maximum thickness of 2 in. [50 mm] for all grades.
Note 1—For killed carbon steels only refer to the following ASTM specifications:A299/A299M Pressure Vessel Plates, Carbon Steel, Manganese-Silicon.
A515/A515M Pressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service.
A516/A 516M Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service.
1.4 For plates produced from coil, the additional requirements, including additional testing requirements and the reporting of additional test results, of Specification A20/A20M apply.
1.5 The values stated in either inch-pound units or SI units are to be regarded separately 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 the specification.
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e1
Designation: A 285/A285M – 90 (Reapproved 1996)
Standard Specification for
Pressure Vessel Plates, Carbon Steel, Low- and
Intermediate-Tensile Strength
This standard is issued under the fixed designation A 285/A285M; 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.
e NOTE—Editorial corrections were made to this standard in August 1999.
1. Scope 2. Referenced Documents
1.1 This specification covers carbon steel plates of low- 2.1 ASTM Standards:
and intermediate-tensile strengths which may be made by A 20/A20M Specification for General Requirements for
killed, semi-killed, capped, or rimmed steel practices at the Steel Plates for Pressure Vessels
producer’s option. These plates are intended for fusion-welded
3. General Requirements and Ordering Information
pressure vessels.
3.1 Material supplied to this material specification shall
1.2 Plates under this specification are available in three
grades having different strength levels as follows: conform to Specification A 20/A 20M. These requirements
outline the testing and retesting methods and procedures,
Tensile Strength,
Grade ksi [MPa]
permissible variations in dimensions and mass, quality and
A 45–65 [310–450]
repair of defects, marking, loading, etc.
B 50–70 [345–485]
3.2 Specification A 20/A 20M also establishes the rules for
C 55–75 [380–515]
the ordering information that should be complied with when
1.3 The maximum thickness of plates under this specifica-
purchasing material to this specification.
tion, for reasons of internal soundness, is limited to a maximum
3.3 In addition to the basic requirements of this specifica-
thickness of 2 in. [50 mm] for all grades.
tion, certain supplementary requirements are available when
NOTE 1—For killed carbon steels only refer to the following ASTM
additional control testing or examination is required to meet
specifications:
end use requirements. The purchaser is referred to the listed
A 299/A 299M Pressure Vessel Plates, Carbon Steel, Manganese-
supplementary requirements in this specification and to the
Silicon.
detailed requirements in Specification A 20/A 20M.
A 515/A 515M Pressure Vessel Plates, Carbon Steel, for Intermediate-
3.4 If the requirements of this specification are in conflict
and Higher-Temperature Service.
with the requirements of Specification A 20/A 20M, the re-
A 516/A 516M Pressure Vessel Plates, Carbon Steel, for Moderate- and
Lower-Temperature Service. quirements of this specification shall prevail.
1.4 The values stated in either inch-pound units or SI units
4. Heat Treatment
are to be regarded separately as standard. Within the text, the
4.1 Plates are normally supplied in the as-rolled condition.
SI units are shown in brackets. The values stated in each
The plates may be ordered normalized or stress relieved, or
system are not exact equivalents; therefore, each system must
both.
be used independently of the other. Combining values from the
two systems may result in nonconformance with the specifi-
5. Chemical Requirements
cation.
5.1 The steel shall conform to the requirements as to
chemical composition as shown in Table 1.
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
6. Mechanical Requirements
Stainless S
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