ASTM A20/A20M-11
(Specification)Standard Specification for General Requirements for Steel Plates for Pressure Vessels
Standard Specification for General Requirements for Steel Plates for Pressure Vessels
ABSTRACT
This specification covers a group of common requirements that apply to rolled steel plates for pressure vessels. The steel shall be made in an open-hearth, basic-oxygen, or electric-arc furnace process. Sampling and methods for chemical analysis are discussed. Yield strength tests, tension tests, and notch-toughness tests shall be made in accordance to the product specification to conform to the specified requirements.
SCOPE
1.1 This general requirements specification covers a group of common requirements that, unless otherwise specified in the applicable product specification, apply to rolled steel plates for pressure vessels covered by each of the following product specifications issued by ASTM:
Title of SpecificationASTM DesignationA Pressure Vessel Plates, Alloy Steel, Nickel A203/A203M Pressure Vessel Plates, Alloy Steel, MolybdenumA204/A204M Pressure Vessel Plates, Alloy Steel, Manganese-
Vanadium A225/A225M Pressure Vessel Plates, Carbon Steel, Low- and
Intermediate-Tensile StrengthA285/A285M Pressure Vessel Plates, Carbon Steel, Manganese-Silicon A299/A299M Pressure Vessel Plates, Alloy Steel, Manganese-
Molybdenum and Manganese-Molybdenum-NickelA302/A302M Pressure Vessel Plates, Alloy Steel, 9 Percent Nickel
Double-Normalized and TemperedA353/A353M Pressure Vessel Plates, Alloy Steel, Chromium-
Molybdenum A387/A387M Pressure Vessel Plates, Carbon Steel, High Strength
ManganeseA455/A455M Pressure Vessel Plates, Carbon Steel, for Intermediate-
and Higher-Temperature Service A515/A515M Pressure Vessel Plates, Carbon Steel, Moderate- and
Lower-Temperature ServiceA516/A516M Pressure Vessel Plates, Alloy Steel, High-Strength,
Quenched and TemperedA517/A517M Pressure Vessel Plates, Alloy Steel, Quenched and
Tempered Manganese-Molybdenum and Manganese-
Molybdenum- NickelA533/A533M Pressure Vessel Plates, Heat-Treated, Carbon-
Manganese-Silicon SteelA537/A537M Pressure Vessel Plates, Alloy Steel, Quenched and
Tempered Chromium-Molybdenum A542/A542M Pressure Vessel Plates, Alloy Steel, Quenched and
Tempered Nickel-Chromium-Molybdenum A543/A543M Pressure Vessel Plates, Alloy Steel, Quenched and
Tempered 8 and 9 Percent NickelA553/A553M Title of SpecificationASTM DesignationA Pressure Vessel Plates, Carbon Steel, Manganese-
Titanium for Glass or Diffused Metallic CoatingsA562/A562M Pressure Vessel Plates, Carbon Steel, High Strength, for
Moderate and Lower Temperature ServiceA612/A612M Pressure Vessel Plates, Five Percent Nickel Alloy Steel,
Specially Heat TreatedA645/A645M Pressure Vessel Plates, Carbon-Manganese, for
Moderate and Lower Temperature ServiceA662/A662M Pressure Vessel Plates, Carbon Steel, Quenched and
Tempered, for Welded Layered Pressure VesselsA724/A724M Pressure Vessel Plates, Alloy Steel and High-Strength
Low-Alloy Steel, Quenched and TemperedA734/A734M Pressure Vessel Plates, Low-Carbon Manganese-
Molybdenum-Columbium Alloy Steel, for Moderate and
Lower Temperature Service A735/A735M Pressure Vessel Plates, Low-Carbon Age-Hardening
Nickel-Copper-Chromium-Molybdenum-Columbium
Alloy SteelA736/A736M Pressure Vessel Plates, High-Strength Low-Alloy Steel A737/A737M Pressure Vessel Plates, Heat-Treated, Carbon-
Manganese-Silicon Steel, for Moderate and Lower
Temperature ServiceA738/A738M Pressure Vessel Plates, Alloy Steel, Chromium-
Molybdenum-VanadiumA832/A832M Pressure Vessel Plates, Produced by the Thermo-
Mechanical Control Process (TMCP) A841/A841M Pressure Vessel Plates, 9 % Nickel Alloy, Produced
by the Direct-Quenching ProcessA844/A844M Pressure Vessel Plates, 9 % Nickel Alloy, Produced
by the Direct-Quenching ProcessA844/A844M Pressure Vessel Plates, 9 % Nickel Alloy, Produced
by the Direct-Quenching ProcessA844/A844M Pressure Vessel Plates, Alloy Steel, Chromium-
Molybdenum-TungstenA1017/A1017M Pressure Vessel Plates, Alloy Steel, Higher Strength
Chromium-Molybdenum-TungstenA1041/A1041M...
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Designation:A20/A20M −11
StandardSpecification for
1
General Requirements for Steel Plates for Pressure Vessels
This standard is issued under the fixed designation A20/A20M; 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.
1. Scope*
A
Title of Specification ASTM Designation
2
1.1 This general requirements specification covers a group
Pressure Vessel Plates, Carbon Steel, Manganese- A562/A562M
of common requirements that, unless otherwise specified in the Titanium for Glass or Diffused Metallic Coatings
Pressure Vessel Plates, Carbon Steel, High Strength, for A612/A612M
applicable product specification, apply to rolled steel plates for
Moderate and Lower Temperature Service
pressure vessels covered by each of the following product
Pressure Vessel Plates, Five Percent Nickel Alloy Steel, A645/A645M
specifications issued by ASTM: Specially Heat Treated
Pressure Vessel Plates, Carbon-Manganese, for A662/A662M
A
Title of Specification ASTM Designation
Moderate and Lower Temperature Service
Pressure Vessel Plates, Alloy Steel, Nickel A203/A203M
Pressure Vessel Plates, Carbon Steel, Quenched and A724/A724M
Pressure Vessel Plates, Alloy Steel, Molybdenum A204/A204M
Tempered, for Welded Layered Pressure Vessels
Pressure Vessel Plates, Alloy Steel, Manganese- A225/A225M
Pressure Vessel Plates, Alloy Steel and High-Strength A734/A734M
Vanadium
Low-Alloy Steel, Quenched and Tempered
Pressure Vessel Plates, Carbon Steel, Low- and A285/A285M
Pressure Vessel Plates, Low-Carbon Manganese- A735/A735M
Intermediate-Tensile Strength
Molybdenum-Columbium Alloy Steel, for Moderate and
Pressure Vessel Plates, Carbon Steel, Manganese-Silicon A299/A299M
Lower Temperature Service
Pressure Vessel Plates, Alloy Steel, Manganese- A302/A302M
Pressure Vessel Plates, Low-Carbon Age-Hardening A736/A736M
Molybdenum and Manganese-Molybdenum-Nickel
Nickel-Copper-Chromium-Molybdenum-Columbium
Pressure Vessel Plates, Alloy Steel, 9 Percent Nickel A353/A353M
Alloy Steel
Double-Normalized and Tempered
Pressure Vessel Plates, High-Strength Low-Alloy Steel A737/A737M
Pressure Vessel Plates, Alloy Steel, Chromium- A387/A387M
Pressure Vessel Plates, Heat-Treated, Carbon- A738/A738M
Molybdenum
Manganese-Silicon Steel, for Moderate and Lower
Pressure Vessel Plates, Carbon Steel, High Strength A455/A455M
Temperature Service
Manganese
Pressure Vessel Plates, Alloy Steel, Chromium- A832/A832M
Pressure Vessel Plates, Carbon Steel, for Intermediate- A515/A515M
Molybdenum-Vanadium
and Higher-Temperature Service
Pressure Vessel Plates, Produced by the Thermo- A841/A841M
Pressure Vessel Plates, Carbon Steel, Moderate- and A516/A516M
Mechanical Control Process (TMCP)
Lower-Temperature Service
Pressure Vessel Plates, 9 % Nickel Alloy, Produced A844/A844M
Pressure Vessel Plates, Alloy Steel, High-Strength, A517/A517M
by the Direct-Quenching Process
Quenched and Tempered
Pressure Vessel Plates, 9 % Nickel Alloy, Produced A844/A844M
Pressure Vessel Plates, Alloy Steel, Quenched and A533/A533M
by the Direct-Quenching Process
Tempered Manganese-Molybdenum and Manganese-
Pressure Vessel Plates, 9 % Nickel Alloy, Produced A844/A844M
Molybdenum- Nickel
by the Direct-Quenching Process
Pressure Vessel Plates, Heat-Treated, Carbon- A537/A537M
Pressure Vessel Plates, Alloy Steel, Chromium- A1017/A1017M
Manganese-Silicon Steel
Molybdenum-Tungsten
Pressure Vessel Plates, Alloy Steel, Quenched and A542/A542M
Pressure Vessel Plates, Alloy Steel, Higher Strength A1041/A1041M
Tempered Chromium-Molybdenum
Chromium-Molybdenum-Tungsten
Pressure Vessel Plates, Alloy Steel, Quenched and A543/A543M
A
These designations refer to the latest issue of the respective specification which
Tempered Nickel-Chromium-Molybdenum
appears in the Annual Book of ASTM Standards, Vol 01.04.
Pressure Vessel Plates, Alloy Steel, Quenched and A553/A553M
Tempered 8 and 9 Percent Nickel
1.1.1 This general requirements specification also covers a
group of supplementary requirements that are applicable to
severaloftheaboveproductspecificationsasindicatedtherein.
Such requirements are provided for use if additional testing or
additional restrictions are required by the purchaser, and apply
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
only if specified individually in the purchase order.
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
A01.11 on Steel Plates for Boilers and Pressure Vessels.
1.2 Appendix X1 provides information on coil as a source
Current edition appro
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:A20/A20M–10 Designation: A20/A20M – 11
Standard Specification for
1
General Requirements for Steel Plates for Pressure Vessels
This standard is issued under the fixed designation A20/A20M; 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.
1. Scope*
2
1.1 This general requirements specification covers a group of common requirements that, unless otherwise specified in the
applicable product specification, apply to rolled steel plates for pressure vessels covered by each of the following product
specifications issued by ASTM:
A
Title of Specification ASTM Designation
Pressure Vessel Plates, Alloy Steel, Nickel A203/A203M
Pressure Vessel Plates, Alloy Steel, Molybdenum A204/A204M
Pressure Vessel Plates, Alloy Steel, Manganese- A225/A225M
Vanadium
Pressure Vessel Plates, Carbon Steel, Low- and A285/A285M
Intermediate-Tensile Strength
Pressure Vessel Plates, Carbon Steel, Manganese-Silicon A299/A299M
Pressure Vessel Plates, Alloy Steel, Manganese- A302/A302M
Molybdenum and Manganese-Molybdenum-Nickel
Pressure Vessel Plates, Alloy Steel, 9 Percent Nickel A353/A353M
Double-Normalized and Tempered
Pressure Vessel Plates, Alloy Steel, Chromium- A387/A387M
Molybdenum
Pressure Vessel Plates, Carbon Steel, High Strength A455/A455M
Manganese
Pressure Vessel Plates, Carbon Steel, for Intermediate- A515/A515M
and Higher-Temperature Service
Pressure Vessel Plates, Carbon Steel, Moderate- and A516/A516M
Lower-Temperature Service
Pressure Vessel Plates, Alloy Steel, High-Strength, A517/A517M
Quenched and Tempered
Pressure Vessel Plates, Alloy Steel, Quenched and A533/A533M
Tempered Manganese-Molybdenum and Manganese-
Molybdenum- Nickel
Pressure Vessel Plates, Heat-Treated, Carbon- A537/A537M
Manganese-Silicon Steel
Pressure Vessel Plates, Alloy Steel, Quenched and A542/A542M
Tempered Chromium-Molybdenum
Pressure Vessel Plates, Alloy Steel, Quenched and A543/A543M
Tempered Nickel-Chromium-Molybdenum
Pressure Vessel Plates, Alloy Steel, Quenched and A553/A553M
Tempered 8 and 9 Percent Nickel
A
Title of Specification ASTM Designation
Pressure Vessel Plates, Carbon Steel, Manganese- A562/A562M
Titanium for Glass or Diffused Metallic Coatings
Pressure Vessel Plates, Carbon Steel, High Strength, for A612/A612M
Moderate and Lower Temperature Service
Pressure Vessel Plates, Five Percent Nickel Alloy Steel, A645/A645M
Specially Heat Treated
Pressure Vessel Plates, Carbon-Manganese, for A662/A662M
Moderate and Lower Temperature Service
Pressure Vessel Plates, Carbon Steel, Quenched and A724/A724M
Tempered, for Welded Layered Pressure Vessels
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.11
on Steel Plates for Boilers and Pressure Vessels.
Current edition approved Oct.Nov. 1, 2010.2011. Published November 2010.2011. Originally approved in 1950. Last previous edition approved in 20092010 as
A20/A20M – 109. DOI: 10.1520/A0020_A0020M-101.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-20/SA-20M in Section II of that Code.
*A Summary 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.
1
---------------------- Page: 1 ----------------------
A20/A20M – 11
Pressure Vessel Plates, Alloy Steel and High-Strength A734/A734M
Low-Alloy Steel, Quenched and Tempered
Pressure Vessel Plates, Low-Carbon Manganese- A735/A735M
Molybdenum-Columbium Alloy Steel, for Moderate and
Lower Temperature Service
Pressure Vessel Plates, Low-Carbon Age-Hardening A736/A736M
Nickel-Copper-Chromium-Molybdenum-Columbium
Alloy Steel
Pressure Vessel Plates, High-Strength Low-Alloy Steel A737/A737M
Pressure Vessel Plates, Heat-Treated, Carbon- A738/A738M
Manganese-Silicon Steel, for Moderate and Lower
Temperature Service
Pressure Vessel Plates, Alloy Steel, Chromium- A832/A832M
Molybdenum-Vanadium
Pressure Vessel Plates, Produced by the Thermo- A841/A841M
Mechanical Control Process (TMCP)
Pressure Vessel Plates, 9 % Nickel Alloy, Produced A844/A844M
by the Direct-Quenching Process
Pressure Vessel Plates, 9 % Nickel Alloy, Produced A844/A
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:A20/A20M–10 Designation: A20/A20M – 11
Standard Specification for
1
General Requirements for Steel Plates for Pressure Vessels
This standard is issued under the fixed designation A20/A20M; 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.
1. Scope*
2
1.1 This general requirements specification covers a group of common requirements that, unless otherwise specified in the
applicable product specification, apply to rolled steel plates for pressure vessels covered by each of the following product
specifications issued by ASTM:
A
Title of Specification ASTM Designation
Pressure Vessel Plates, Alloy Steel, Nickel A203/A203M
Pressure Vessel Plates, Alloy Steel, Molybdenum A204/A204M
Pressure Vessel Plates, Alloy Steel, Manganese- A225/A225M
Vanadium
Pressure Vessel Plates, Carbon Steel, Low- and A285/A285M
Intermediate-Tensile Strength
Pressure Vessel Plates, Carbon Steel, Manganese-Silicon A299/A299M
Pressure Vessel Plates, Alloy Steel, Manganese- A302/A302M
Molybdenum and Manganese-Molybdenum-Nickel
Pressure Vessel Plates, Alloy Steel, 9 Percent Nickel A353/A353M
Double-Normalized and Tempered
Pressure Vessel Plates, Alloy Steel, Chromium- A387/A387M
Molybdenum
Pressure Vessel Plates, Carbon Steel, High Strength A455/A455M
Manganese
Pressure Vessel Plates, Carbon Steel, for Intermediate- A515/A515M
and Higher-Temperature Service
Pressure Vessel Plates, Carbon Steel, Moderate- and A516/A516M
Lower-Temperature Service
Pressure Vessel Plates, Alloy Steel, High-Strength, A517/A517M
Quenched and Tempered
Pressure Vessel Plates, Alloy Steel, Quenched and A533/A533M
Tempered Manganese-Molybdenum and Manganese-
Molybdenum- Nickel
Pressure Vessel Plates, Heat-Treated, Carbon- A537/A537M
Manganese-Silicon Steel
Pressure Vessel Plates, Alloy Steel, Quenched and A542/A542M
Tempered Chromium-Molybdenum
Pressure Vessel Plates, Alloy Steel, Quenched and A543/A543M
Tempered Nickel-Chromium-Molybdenum
Pressure Vessel Plates, Alloy Steel, Quenched and A553/A553M
Tempered 8 and 9 Percent Nickel
A
Title of Specification ASTM Designation
Pressure Vessel Plates, Carbon Steel, Manganese- A562/A562M
Titanium for Glass or Diffused Metallic Coatings
Pressure Vessel Plates, Carbon Steel, High Strength, for A612/A612M
Moderate and Lower Temperature Service
Pressure Vessel Plates, Five Percent Nickel Alloy Steel, A645/A645M
Specially Heat Treated
Pressure Vessel Plates, Carbon-Manganese, for A662/A662M
Moderate and Lower Temperature Service
Pressure Vessel Plates, Carbon Steel, Quenched and A724/A724M
Tempered, for Welded Layered Pressure Vessels
1
This specification is under the jurisdiction ofASTM CommitteeA01 on Steel, Stainless Steel and RelatedAlloys and is the direct responsibility of SubcommitteeA01.11
on Steel Plates for Boilers and Pressure Vessels.
Current edition approved Oct.Nov. 1, 2010.2011. Published November 2010.2011. Originally approved in 1950. Last previous edition approved in 20092010 as
A20/A20M – 109. DOI: 10.1520/A0020_A0020M-101.
2
For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-20/SA-20M in Section II of that Code.
*A Summary 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.
1
---------------------- Page: 1 ----------------------
A20/A20M – 11
Pressure Vessel Plates, Alloy Steel and High-Strength A734/A734M
Low-Alloy Steel, Quenched and Tempered
Pressure Vessel Plates, Low-Carbon Manganese- A735/A735M
Molybdenum-Columbium Alloy Steel, for Moderate and
Lower Temperature Service
Pressure Vessel Plates, Low-Carbon Age-Hardening A736/A736M
Nickel-Copper-Chromium-Molybdenum-Columbium
Alloy Steel
Pressure Vessel Plates, High-Strength Low-Alloy Steel A737/A737M
Pressure Vessel Plates, Heat-Treated, Carbon- A738/A738M
Manganese-Silicon Steel, for Moderate and Lower
Temperature Service
Pressure Vessel Plates, Alloy Steel, Chromium- A832/A832M
Molybdenum-Vanadium
Pressure Vessel Plates, Produced by the Thermo- A841/A841M
Mechanical Control Process (TMCP)
Pressure Vessel Plates, 9 % Nickel Alloy, Produced A844/A844M
by the Direct-Quenching Process
Pressure Vessel Plates, 9 % Nickel Alloy, Produced A844/A
...
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