ASTM A533/A533M-93(2004)e1

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Used in USDOE-NE Standards
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Designation: A533/A533M – 93 (Reapproved 2004)
Standard Specification for
Pressure Vessel Plates, Alloy Steel, Quenched and
Tempered, Manganese-Molybdenum and Manganese-
Molybdenum-Nickel
This standard is issued under the fixed designationA533/A533M; 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.
This standard has been approved for use by agencies of the Department of Defense.
´ NOTE—Supplementary Requirement S14, Bend Test, was editorially removed in September 2004.
1. Scope 1.5 The minimum nominal thickness of plates of all classes
2 is 0.25 in. [6.5 mm].
1.1 This specification covers manganese-molybdenum and
1.6 These alloy steel plates in the as-rolled condition are
manganese-molybdenum-nickel alloy steel plates for use in the
sensitivetocrackingduringtransitandhandling,particularlyin
quenched and tempered condition for the construction of
thicknesses over about 1 or 2 in. [25 or 50 mm]. They should
welded pressure vessels.
be shipped in the as-rolled conditions only with the mutual
1.2 Thisspecificationincludesfourtypesofchemicalanaly-
agreement of manufacturer and fabricator.
sis and three classes of strength levels as follows:
1.7 Plates covered by this specification are often used in the
Nominal Nominal
beltline region of nuclear reactor vessels where the material
Molybdenum Nickel
Content, Content,
properties may be affected by high levels of radiation. Appen-
Type % %
dix X1 provides some information pertinent to this usage.
1.8 The values stated in either inch-pound units or SI units
A 0.50 .
B 0.50 0.55
are to be regarded separately as standard. Within the text, the
C 0.50 0.85
SI units are shown in brackets. The values stated in each
D 0.50 0.30
system are not exact equivalents; therefore, each system must
Tensile Strength,
be used independently of the other. Combining values from the
Class ksi [MPa]
two systems may result in nonconformance with the specifi-
1 80–100 [550 to 690] cation.
2 90–115 [620 to 795]
3 100–125 [690 to 860]
2. Referenced Documents
1.3 The maximum thickness of Class 1 and Class 2 plates is
2.1 ASTM Standards:
limited only by the capacity of the composition to meet the A20/A20M Specification for General Requirements for
specified mechanical property requirements; however, current
Steel Plates for Pressure Vessels
practice normally limits the maximum thickness to 12 in. [300 A435/A435M Specification for Straight-Beam Ultrasonic
mm].
Examination of Steel Plates
1.4 The maximum thickness of Class 3 plates is 2 ⁄2 in. [65 A577/A577M Specification for UltrasonicAngle-Beam Ex-
mm].
amination of Steel Plates
A578/A578M Specification for Straight-Beam Ultrasonic
Examination of Rolled Steel Plates for Special Applica-
tions
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.11 on Steel Plates for Boilers and Pressure Vessels.
Current edition approved Sept. 1, 2004. Published September 2004. Originally
approved in 1965. Last previous edition approved in 1999 as A533/A533M – 93 For referenced ASTM standards, visit the ASTM website, www.astm.org, or
(1999). DOI: 10.1520/A0533_A0533M-93R04E01. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
For ASME Boiler and Pressure Vessel Code applications, see related Specifi- Standards volume information, refer to the standard’s Document Summary page on
cation SA-533/SA-533M in Section II of that Code. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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A533/A533M – 93 (2004)
TABLE 2 Tensile Requirements
3. General Requirements and Ordering Information
3.1 Material supplied to this material specification shall
Class 1 Class 2 Class 3
conform to Specification A20/A20M. These requirements out-
ksi [MPa] ksi [MPa] ksi [MPa]
line the testing and retesting methods and procedures, permis-
Tensile strength 80–100 [550–690] 90–115 [620–795] 100–125 [690–860]
sible variations in dimensions, and mass, quality and repair of
Yield strength, min 50 [345] 70 [485] 83 [570]
defects, marking, loading, etc. Elongation in 2 in. 18 16 16
A
[50 mm], min, %
3.2 Specification A20/A20M also establishes the rules for
A
See Specification A20/A20M for elongation adjustment.
the ordering information which should be complied with when
purchasing material to this specification.
3.3 In addition to the basic requirements of this specifica-
4. Manufacture
tion, certain supplementary requirements are available when
4.1 Steelmaking Practice—The steel shall be killed and
additional control, testing, or examination is required to meet
shall conform to the fine austenitic grain requirement of
end use requirements. These include:
Specification A20/A20M.
3.3.1 Vacuum treatment,
3.3.2 Additional or special tension testing,
5. Heat Treatment
3.3.3 Impact testing, and
5.1 All plates shall be heat treated by heating to a suitable
3.3.4 Nondestructive examination.
temperature within the range from 1550 to 1800°F [845 to
3.4 The purchaser is referred to the listed supplementary
980°C], holding for a sufficient time to obtain uniform tem-
requir
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