ASTM A20/A20M-04
(Specification)Standard Specification for General Requirements for Steel Plates for Pressure Vessels
Standard Specification for General Requirements for Steel Plates for Pressure Vessels
SCOPE
1.1 This specification covers a group of common requirements which, unless otherwise specified in the individual material specification, shall apply to rolled steel plates for pressure vessels under each of the following specifications issued by ASTM: Title of SpecificationASTMDesignation Pressure Vessel Plates, Alloy Steel, Chromium-Manganese Silicon A202/A202MPressure Vessel Plates, Alloy Steel, Nickel A203/A203MPressure Vessel Plates, Alloy Steel, MolybdenumA204/A204MPressure Vessel Plates, Alloy Steel, Manganese-Vanadium A225/A225MPressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength A285/A285MPressure Vessel Plates, Carbon Steel, Manganese-Silicon A299/A299MPressure Vessel Plates, Alloy Steel, Manganese-Molybdenum and Manganese-Molybdenum-NickelA302/A302MPressure Vessel Plates, Alloy Steel, 9 Percent Nickel Double-Normalized and Tempered A353/A353MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum A387/A387MPressure Vessel Plates, Carbon Steel, High Strength ManganeseA455/A455MPressure Vessel Plates, Carbon Steel, for Intermediate- and Higher-Temperature Service A515/A515MPressure Vessel Plates, Carbon Steel, Moderate- and Lower-Temperature Service A516/A516MPressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered A517/A517MPressure Vessel Plates, Alloy Steel, Quenched and Tempered Manganese-Molybdenum and Manganese-Molybdenum- NickelA533/A533MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel A537/A537MPressure Vessel Plates, Alloy Steel, Quenched and Tempered Chromium-Molybdenum A542/A542MPressure Vessel Plates, Alloy Steel, Quenched and Tempered Nickel-Chromium-Molybdenum A543/A543MPressure Vessel Plates, Alloy Steel, Quenched and Tempered 8 and 9 Percent NickelA553/A553MPressure Vessel Plates, Carbon Steel, Manganese-Titanium for Glass or Diffused Metallic CoatingsA562/A562MPressure Vessel Plates, Carbon Steel, High Strength, for Moderate and Lower Temperature ServiceA612/A612MPressure Vessel Plates, Five Percent Nickel Alloy Steel, Specially Heat TreatedA645/A645MPressure Vessel Plates, Carbon-Manganese, for Moderate and Lower Temperature ServiceA662/A662MPressure Vessel Plates, Carbon Steel, Quenched and Tempered, for Welded Layered Pressure VesselsA724/A724MPressure Vessel Plates, Alloy Steel and High-Strength Low-Alloy Steel, Quenched and TemperedA734/A734MPressure Vessel Plates, Low-Carbon Manganese-Molybdenum-Columbium Alloy Steel, for Moderate and Lower Temperature Service A735/A735MPressure Vessel Plates, Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium Alloy SteelA736/A736MPressure Vessel Plates, High-Strength Low-Alloy Steel A737/A737MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel, for Moderate and Lower Temperature ServiceA738/A738MPressure-Vessel Plates, Quenched and Tempered, Manganese-Chromium-Molybdenum-Silicon-Zirconium Alloy SteelA782/A782MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-Vanadium A832/A832MPressure 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
1.1.1 This specification also covers a group of supplementary requirements which are applicable to several of the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order.
1.2 Appendix X1 describes the production and some of the characteristics of coiled product from which pressure vessel plates may be produced.
1.3 Appendix X2 provides information on the variability of tensile properties in plates for pressure vessels.
1.4 Appendix X3 provides information on the variability of Charpy-V-Notch impact test properties in plates for pressure vessels.
1.5 Appendix X4 provides information on cold bending of plates including suggested minimum inside radii...
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Designation: A 20/A20M – 04
Standard Specification for
1
General Requirements for Steel Plates for Pressure Vessels
This standard is issued under the fixed designation A 20/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 (ε) 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*
Pressure Vessel Plates, Five Percent Nickel Alloy Steel, Spe- A 645/A 645M
cially Heat Treated
2
1.1 This general requirements specification covers a group
Pressure Vessel Plates, Carbon-Manganese, for Moderate and A 662/A 662M
of common requirements that, unless otherwise specified in the
Lower Temperature Service
Pressure Vessel Plates, Carbon Steel, Quenched and Tem- A 724/A 724M
applicable product specification, apply to rolled steel plates for
pered, for Welded Layered Pressure Vessels
pressure vessels covered by each of the following product
Pressure Vessel Plates, Alloy Steel and High-Strength Low- A 734/A 734M
specifications issued by ASTM:
Alloy Steel, Quenched and Tempered
Pressure Vessel Plates, Low-Carbon Manganese- A 735/A 735M
ASTM
Molybdenum-Columbium Alloy Steel, for Moderate and Lower
3
Title of Specification Designation
Temperature Service
Pressure Vessel Plates, Low-Carbon Age-Hardening Nickel- A 736/A 736M
Pressure Vessel Plates, Alloy Steel, Chromium-Manganese A 202/A 202M
Copper-Chromium-Molybdenum-Columbium Alloy Steel
Silicon
Pressure Vessel Plates, High-Strength Low-Alloy Steel A 737/A 737M
Pressure Vessel Plates, Alloy Steel, Nickel A 203/A 203M
Pressure Vessel Plates, Heat-Treated, Carbon-Manganese- A 738/A 738M
Pressure Vessel Plates, Alloy Steel, Molybdenum A 204/A 204M
Silicon Steel, for Moderate and Lower Temperature Service
Pressure Vessel Plates, Alloy Steel, Manganese-Vanadium A 225/A 225M
Pressure-Vessel Plates, Quenched and Tempered, A 782/A 782M
Pressure Vessel Plates, Carbon Steel, Low- and Intermediate- A 285/A 285M
Manganese-Chromium-Molybdenum-Silicon-Zirconium
Tensile Strength
Alloy Steel
Pressure Vessel Plates, Carbon Steel, Manganese-Silicon A 299/A 299M
Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum- A 832/A 832M
Pressure Vessel Plates, Alloy Steel, Manganese-Molybdenum A 302/A 302M
Vanadium
and Manganese-Molybdenum-Nickel
Pressure Vessel Plates, Produced by the Thermo-Mechanical A 841/A 841M
Pressure Vessel Plates, Alloy Steel, 9 Percent Nickel Double- A 353/A 353M
Control Process (TMCP)
Normalized and Tempered
Pressure Vessel Plates, 9 % Nickel Alloy, Produced by the A 844/A 844M
Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum A 387/A 387M
Direct-Quenching Process
Pressure Vessel Plates, Carbon Steel, High Strength Manga- A 455/A 455M
nese
1.1.1 This general requirements specification also covers a
Pressure Vessel Plates, Carbon Steel, for Intermediate- and A 515/A 515M
group of supplementary requirements that are applicable to
Higher-Temperature Service
Pressure Vessel Plates, Carbon Steel, Moderate- and Lower- A 516/A 516M
severaloftheaboveproductspecificationsasindicatedtherein.
Temperature Service
Such requirements are provided for use if additional testing or
Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched A 517/A 517M
additional restrictions are required by the purchaser, and apply
and Tempered
Pressure Vessel Plates, Alloy Steel, Quenched and Tempered A 533/A 533M only if specified individually in the purchase order.
Manganese-Molybdenum and Manganese-Molybdenum-
1.2 Appendix X1 provides information on coil as a source
Nickel
of plates for pressure vessels.
Pressure Vessel Plates, Heat-Treated, Carbon-Manganese- A 537/A 537M
Silicon Steel
1.3 Appendix X2 provides information on the variability of
Pressure Vessel Plates, Alloy Steel, Quenched and Tempered A 542/A 542M
tensile properties in plates for pressure vessels.
Chromium-Molybdenum
1.4 Appendix X3 provides information on the variability of
Pressure Vessel Plates, Alloy Steel, Quenched and Tempered A 543/A 543M
Nickel-Chromium-Molybdenum
Charpy-V-Notch impact test properties in plates for pressure
Pressure Vessel Plates, Alloy Steel, Quenched and Tempered A 553/A 553M
vessels.
8 and 9 Percent Nickel
1.5 Appendix X4 provides information on cold bending of
Pressure Vessel Plates, Carbon Steel, Manganese-Titanium A 562/A 562M
for Glass or Diffused Metallic Coatings
plates, including suggested minimum inside radii for cold
Pressure Vessel Plates, Carbon Steel, High Strength, for Mod- A 612/A 612M
bending.
erate and Lower Temperature Service
1.6 These materials are intended to be suitable for fusion
welding. When the steel is to be welded, it is presupposed tha
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