Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-Nickel

ABSTRACT
This specification covers manganese-molybdenum and manganese-molybdenum-nickel alloy steel plates for use in welded pressure vessels. The steel materials shall be killed and shall conform to the required values of fine austenitic grain and shall also be heat treated. The steel specimens shall undergo heat analysis and product analysis and shall conform to the chemical requirements for carbon, manganese, phosphorus, sulfur, silicon, molybdenum, and nickel. Tension tests shall be performed wherein the steel specimens shall conform to the required values of tensile strength, yield strength, and elongation.
SCOPE
1.1 This specification2 covers one type of manganese-molybdenum and four types of manganese-molybdenum-nickel alloy steel plates for use in the quenched and tempered condition for the construction of welded pressure vessels.  
1.2 Material under this specification is available in five types, designated “A”, “B”, “C”, “D”, and “E”. The material is also available in three classes having the following strength levels.    
Class  
Tensile Strength,
ksi [MPa]  
1  
80–100 [550 to 690]  
2  
90–115 [620 to 795]  
3  
100–125 [690 to 860]  
1.3 The maximum thickness of Class 1 and Class 2 plates is limited only by the capacity of the composition to meet the specified mechanical property requirements; however, current practice normally limits the maximum thickness to 12 in. [300 mm] for Types A through D. Current practice limits the maximum thickness for Type E to 6 in. [150 mm] for Class 1 and 31/4 in. [80 mm] for Class 2.  
1.4 The maximum thickness of Class 3 plates is 21/2 in. [65 mm] for Types A through D and 2 in. [50 mm] for Type E.  
1.5 The minimum nominal thickness of plates of all classes is 0.25 in. [6.5 mm].  
1.6 These alloy steel plates in the as-rolled condition are sensitive to cracking during transit and handling, particularly in thicknesses over about 1 or 2 in. [25 or 50 mm]. They should be shipped in the as-rolled conditions only by mutual agreement of manufacturer and the purchaser.  
1.7 Plates covered by this specification are often used in the beltline region of nuclear reactor vessels where the material properties may be affected by high levels of radiation. Appendix X1 provides some information pertinent to this usage.  
1.8 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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28-Feb-2014
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ASTM A533/A533M-09(2014) - Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-Nickel
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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: A533/A533M −09(Reapproved 2014) Used in USDOE-NE Standards
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 U.S. Department of Defense.
1. Scope 1.7 Plates covered by this specification are often used in the
beltline region of nuclear reactor vessels where the material
1.1 This specification covers one type of manganese-
properties may be affected by high levels of radiation. Appen-
molybdenum and four types of manganese-molybdenum-
dix X1 provides some information pertinent to this usage.
nickel alloy steel plates for use in the quenched and tempered
1.8 The values stated in either inch-pound units or SI units
condition for the construction of welded pressure vessels.
are to be regarded separately as standard. Within the text, the
1.2 Material under this specification is available in five
SI units are shown in brackets. The values stated in each
types, designated “A”, “B”, “C”, “D”, and “E”. The material is
system are not exact equivalents; therefore, each system must
also available in three classes having the following strength
be used independently of the other. Combining values from the
levels.
two systems may result in nonconformance with the specifi-
Tensile Strength,
Class cation.
ksi [MPa]
1 80–100 [550 to 690]
2 90–115 [620 to 795] 2. Referenced Documents
3 100–125 [690 to 860]
2.1 ASTM Standards:
1.3 The maximum thickness of Class 1 and Class 2 plates is
A20/A20M SpecificationforGeneralRequirementsforSteel
limited only by the capacity of the composition to meet the
Plates for Pressure Vessels
specified mechanical property requirements; however, current
A435/A435M Specification for Straight-Beam Ultrasonic
practice normally limits the maximum thickness to 12 in. [300
Examination of Steel Plates
mm] for Types A through D. Current practice limits the
A577/A577M Specification for Ultrasonic Angle-Beam Ex-
maximum thickness for Type E to 6 in. [150 mm] for Class 1
amination of Steel Plates
and 3 ⁄4 in. [80 mm] for Class 2.
A578/A578M Specification for Straight-Beam Ultrasonic
Examination of Rolled Steel Plates for Special Applica-
1.4 The maximum thickness of Class 3 plates is 2 ⁄2 in. [65
tions
mm] for Types A through D and 2 in. [50 mm] for Type E.
1.5 The minimum nominal thickness of plates of all classes
3. General Requirements and Ordering Information
is 0.25 in. [6.5 mm].
3.1 Material supplied to this material specification shall
1.6 These alloy steel plates in the as-rolled condition are
conform to Specification A20/A20M. These requirements out-
sensitivetocrackingduringtransitandhandling,particularlyin
line the testing and retesting methods and procedures, permit-
thicknesses over about 1 or 2 in. [25 or 50 mm]. They should
ted variations in dimensions, and mass, quality and repair of
be shipped in the as-rolled conditions only by mutual agree-
defects, marking, loading, and ordering information.
ment of manufacturer and the purchaser.
3.2 In addition to the basic requirements of this
specification, certain supplementary requirements are available
when additional control, testing, or examination is required to
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
meet end use requirements. The purchaser is referred to the
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 March 1, 2014. Published March 2014. Originally
ε1
approved in 1965. Last previous edition approved in 2009 as A533/A533M – 09 . For referenced ASTM standards, visit the ASTM website, www.astm.org, or
DOI: 10.1520/A0533_A0533M-09R14. 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
A533/A533M − 09 (2014)
TABLE 1 Chemical Requirements
4. Manufacture
NOTE 1—Where “.” appears there is no requirement. 4.1 Steelmaking Practice—The steel shall be killed and
shall conform to the fine austenitic grain requirement of
Composition, %
Specification A20/A20M.
Type A Type B Type C Type D Type E
A
Carbon, max 0.25 0.25 0.25 0.25 0.20
B 5. Heat Treatment
Manganese:
Heat analysis 1.15–1.50 1.15–1.50 1.15–1.50 1.15–1.50 1.15–1.70
5.1 All plates shall be heat treated by heating to a suitable
Product analysis 1.07–1.62 1.07–1.62 1.07–1.62 1.07–1.62 1.04–1.84
A
temperature within the range from 1550 to 1800°F [845 to
Phosphorus, max 0.025 0.025 0.025 0.025 0.020
A
Sulfur, max
0.025 0.025 0.025 0.025 0.015
980°C], holding for a sufficient time to obtain uniform tem-
Silicon:
perature throughout the plate thickness and then quenching, in
Heat analysis 0.15–0.40 0.15–0.40 0.15–0.40 0.15–0.40 0.15–0.40
Product analysis 0.13–0.45 0.13–0.45 0.13–0.45 0.13–0.45 0.13–0.45
water. Subsequently the plates shall be tempered at a suitable
Molybdenum:
temperature to produce the specified properties, but not less
Heat analysis 0.45–0.60 0.45–0.60 0.45–0.60 0.45–0.60 0.25–0.60
than 1100°F [595°C] with a minimum holding time of ⁄2 h/in.
Product analysis 0.41–0.64 0.41–0.64 0.41–0.64 0.41–0.64 0.21–0.64
Nickel:
[1.2 min/mm] of th
...

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