1、Designation: A20/A20M 11Standard Specification forGeneral Requirements for Steel Plates for Pressure Vessels1This standard is issued under the fixed designation A20/A20M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of
2、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*1.1 This general requirements specificat
3、ion2covers a groupof common requirements that, unless otherwise specified in theapplicable product specification, apply to rolled steel plates forpressure vessels covered by each of the following productspecifications issued by ASTM:Title of Specification ASTM DesignationAPressure Vessel Plates, All
4、oy Steel, Nickel A203/A203MPressure Vessel Plates, Alloy Steel, Molybdenum A204/A204MPressure Vessel Plates, Alloy Steel, Manganese-VanadiumA225/A225MPressure Vessel Plates, Carbon Steel, Low- andIntermediate-Tensile StrengthA285/A285MPressure Vessel Plates, Carbon Steel, Manganese-Silicon A299/A299
5、MPressure Vessel Plates, Alloy Steel, Manganese-Molybdenum and Manganese-Molybdenum-NickelA302/A302MPressure Vessel Plates, Alloy Steel, 9 Percent NickelDouble-Normalized and TemperedA353/A353MPressure Vessel Plates, Alloy Steel, Chromium-MolybdenumA387/A387MPressure Vessel Plates, Carbon Steel, Hig
6、h StrengthManganeseA455/A455MPressure Vessel Plates, Carbon Steel, for Intermediate-and Higher-Temperature ServiceA515/A515MPressure Vessel Plates, Carbon Steel, Moderate- andLower-Temperature ServiceA516/A516MPressure Vessel Plates, Alloy Steel, High-Strength,Quenched and TemperedA517/A517MPressure
7、 Vessel Plates, Alloy Steel, Quenched andTempered Manganese-Molybdenum and Manganese-Molybdenum- NickelA533/A533MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon SteelA537/A537MPressure Vessel Plates, Alloy Steel, Quenched andTempered Chromium-MolybdenumA542/A542MPressure Vessel Plates
8、, Alloy Steel, Quenched andTempered Nickel-Chromium-MolybdenumA543/A543MPressure Vessel Plates, Alloy Steel, Quenched andTempered 8 and 9 Percent NickelA553/A553MTitle of Specification ASTM DesignationAPressure Vessel Plates, Carbon Steel, Manganese-Titanium for Glass or Diffused Metallic CoatingsA5
9、62/A562MPressure Vessel Plates, Carbon Steel, High Strength, forModerate and Lower Temperature ServiceA612/A612MPressure Vessel Plates, Five Percent Nickel Alloy Steel,Specially Heat TreatedA645/A645MPressure Vessel Plates, Carbon-Manganese, forModerate and Lower Temperature ServiceA662/A662MPressur
10、e Vessel Plates, Carbon Steel, Quenched andTempered, for Welded Layered Pressure VesselsA724/A724MPressure Vessel Plates, Alloy Steel and High-StrengthLow-Alloy Steel, Quenched and TemperedA734/A734MPressure Vessel Plates, Low-Carbon Manganese-Molybdenum-Columbium Alloy Steel, for Moderate andLower
11、Temperature ServiceA735/A735MPressure Vessel Plates, Low-Carbon Age-HardeningNickel-Copper-Chromium-Molybdenum-ColumbiumAlloy SteelA736/A736MPressure Vessel Plates, High-Strength Low-Alloy Steel A737/A737MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel, for Moderate and LowerTem
12、perature ServiceA738/A738MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-VanadiumA832/A832MPressure Vessel Plates, Produced by the Thermo-Mechanical Control Process (TMCP)A841/A841MPressure Vessel Plates, 9 % Nickel Alloy, Producedby the Direct-Quenching ProcessA844/A844MPressure Vessel Pl
13、ates, 9 % Nickel Alloy, Producedby the Direct-Quenching ProcessA844/A844MPressure Vessel Plates, 9 % Nickel Alloy, Producedby the Direct-Quenching ProcessA844/A844MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-TungstenA1017/A1017MPressure Vessel Plates, Alloy Steel, Higher StrengthChromiu
14、m-Molybdenum-TungstenA1041/A1041MAThese designations refer to the latest issue of the respective specificationwhich appears in the Annual Book of ASTM Standards, Vol 01.04.1.1.1 This general requirements specification also covers agroup of supplementary requirements that are applicable toseveral of
15、the above product specifications as indicated therein.Such requirements are provided for use if additional testing oradditional restrictions are required by the purchaser, and applyonly if specified individually in the purchase order.1.2 Appendix X1 provides information on coil as a sourceof plates
16、for pressure vessels.1.3 Appendix X2 provides information on the variability oftensile properties in plates for pressure vessels.1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.11 on S
17、teel Plates for Boilers and Pressure Vessels.Current edition approved Nov. 1, 2011. Published November 2011. Originallyapproved in 1950. Last previous edition approved in 2010 as A20/A20M 10. DOI:10.1520/A0020_A0020M-11.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cati
18、on SA-20/SA-20M in Section II of that Code.1*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.1.4 Appendix X3 provides information on the variability ofCharpy-V-Notch imp
19、act test properties in plates for pressurevessels.1.5 Appendix X4 provides information on cold bending ofplates, including suggested minimum inside radii for coldbending.1.6 These materials are intended to be suitable for fusionwelding. When the steel is to be welded, it is presupposed thata welding
20、 procedure suitable for the grade of steel and intendeduse or service will be utilized.1.7 In case of any conflict in requirements, the requirementsof the applicable product specification prevail over those of thisgeneral requirements specification.1.8 Additional requirements that are specified in t
21、he pur-chase order and accepted by the supplier are permitted,provided that such requirements do not negate any of therequirements of this general requirements specification or theapplicable product specification.1.9 For purposes of determining conformance with thisgeneral requirements specification
22、 and the applicable productspecification, values are to be rounded to the nearest unit in theright-hand place of figures used in expressing the limitingvalues in accordance with the rounding method of PracticeE29.1.10 The values stated in either SI units or inch-pound unitsare to be regarded separat
23、ely as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.11 This general requirements specification and the appli-cable product
24、specification are expressed in both inch-poundunits and SI units; unless the order specifies the applicable “M”specification designation (SI units), the plates are to befurnished to inch-pound units.2. Referenced Documents2.1 ASTM Standards:3A203/A203M Specification for Pressure Vessel Plates, Al-lo
25、y Steel, NickelA204/A204M Specification for Pressure Vessel Plates, Al-loy Steel, MolybdenumA225/A225M Specification for Pressure Vessel Plates, Al-loy Steel, Manganese-Vanadium-NickelA285/A285M Specification for Pressure Vessel Plates, Car-bon Steel, Low- and Intermediate-Tensile StrengthA299/A299M
26、 Specification for Pressure Vessel Plates, Car-bon Steel, Manganese-SiliconA302/A302M Specification for Pressure Vessel Plates, Al-loy Steel, Manganese-Molybdenum and Manganese-Molybdenum-NickelA353/A353M Specification for Pressure Vessel Plates, Al-loy Steel, Double-Normalized and Tempered 9 % Nick
27、elA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA387/A387M Specification for Pressure Vessel Plates, Al-loy Steel, Chromium-MolybdenumA435/A435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA455/A455M Specification for Pressure Vessel Plates, Car-bo
28、n Steel, High-Strength ManganeseA515/A515M Specification for Pressure Vessel Plates, Car-bon Steel, for Intermediate- and Higher-Temperature Ser-viceA516/A516M Specification for Pressure Vessel Plates, Car-bon Steel, for Moderate- and Lower-Temperature ServiceA517/A517M Specification for Pressure Ve
29、ssel Plates, Al-loy Steel, High-Strength, Quenched and TemperedA533/A533M Specification for Pressure Vessel Plates, Al-loy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-NickelA537/A537M Specification for Pressure Vessel Plates,Heat-Treated, Carbon-Manganese-Silicon Stee
30、lA542/A542M Specification for Pressure Vessel Plates, Al-loy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-VanadiumA543/A543M Specification for Pressure Vessel Plates, Al-loy Steel, Quenched and Tempered Nickel-Chromium-MolybdenumA553/A553M Specification for Pressure Ves
31、sel Plates, Al-loy Steel, Quenched and Tempered 8 and 9 % NickelA562/A562M Specification for Pressure Vessel Plates, Car-bon Steel, Manganese-Titanium for Glass or DiffusedMetallic CoatingsA577/A577M Specification for Ultrasonic Angle-Beam Ex-amination of Steel PlatesA578/A578M Specification for Str
32、aight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tionsA612/A612M Specification for Pressure Vessel Plates, Car-bon Steel, High Strength, for Moderate and Lower Tem-perature ServiceA645/A645M Specification for Pressure Vessel Plates, 5 %and 51 2 % Nickel Alloy Steels, Speci
33、ally Heat TreatedA662/A662M Specification for Pressure Vessel Plates,Carbon-Manganese-Silicon Steel, for Moderate and LowerTemperature ServiceA700 Practices for Packaging, Marking, and Loading Meth-ods for Steel Products for ShipmentA724/A724M Specification for Pressure Vessel Plates,Carbon-Manganes
34、e-Silicon Steel, Quenched and Tem-pered, for Welded Pressure VesselsA734/A734M Specification for Pressure Vessel Plates, Al-loy Steel and High-Strength Low-Alloy Steel, Quenched-and-TemperedA735/A735M Specification for Pressure Vessel Plates,Low-Carbon Manganese-Molybdenum-Columbium AlloySteel, for
35、Moderate and Lower Temperature ServiceA736/A736M Specification for Pressure Vessel Plates,3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Sum
36、mary page onthe ASTM website.A20/A20M 112Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium and Nickel-Copper-Manganese-Molybdenum-Columbium Alloy SteelA737/A737M Specification for Pressure Vessel Plates,High-Strength, Low-Alloy SteelA738/A738M Specification for Pressure Vessel Pla
37、tes,Heat-Treated, Carbon-Manganese-Silicon Steel, for Mod-erate and Lower Temperature ServiceA751 Test Methods, Practices, and Terminology for Chemi-cal Analysis of Steel ProductsA770/A770M Specification for Through-Thickness TensionTesting of Steel Plates for Special ApplicationsA832/A832M Specific
38、ation for Pressure Vessel Plates, Al-loy Steel, Chromium-Molybdenum-VanadiumA841/A841M Specification for Steel Plates for PressureVessels, Produced by Thermo-Mechanical Control Process(TMCP)A844/A844M Specification for Steel Plates, 9 % NickelAlloy, for Pressure Vessels, Produced by the Direct-Quenc
39、hing ProcessA941 Terminology Relating to Steel, Stainless Steel, Re-lated Alloys, and FerroalloysA1017/A1017M Specification for Pressure Vessel Plates,Alloy Steel, Chromium-Molybdenum-TungstenA1041/A1041M Specification for Pressure Vessel Plates,Alloy Steel, Higher Strength Chromium-Molybdenum-Tungs
40、tenE21 Test Methods for Elevated Temperature Tension Testsof Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE112 Test Methods for Determining Average Grain SizeE208 Test Method for Conducting Drop-Weight Test toDetermine Nil-Ductil
41、ity Transition Temperature of FerriticSteelsE709 Guide for Magnetic Particle Testing2.2 American Society of Mechanical Engineers Code:4ASME Boiler and Pressure Vessel Code Section IX, Weld-ing Qualifications2.3 U.S. Federal Standard:5Fed. Std. No. 123 Marking for Shipment (Civil Agencies)2.4 Automot
42、ive Industry Action Group Standard:6B1 Bar Code Symbology Standard3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 coilhot-rolled steel in coil form for processing intofinished plates.3.1.2 exclusivewhen used in relation to ranges, as forranges of thicknesses in the tables of p
43、ermissible variations indimensions, the term is intended to exclude only the greatervalue of the range. Thus, a range from 60 to 72 in. 1500 to1800 mm exclusive includes 60 in. 1500 mm, but does notinclude 72 in. 1800 mm.3.1.3 heat treatment termssee 3.1.8, and TerminologyA941.3.1.4 hot forminga for
44、ming operation producing perma-nent deformation, performed after the plate has been heated tothe temperature required to produce grain refinement.3.1.5 manufacturerthe organization that directly controlsthe conversion of steel ingots or slabs, by hot rolling, intoplate-as-rolled or into coil; and fo
45、r plates produced fromplate-as-rolled, the organization that directly controls, or isresponsible for, one or more of the operations involved infinishing the plates. Such finishing operations include leveling,cutting to length, testing, inspection, conditioning, heat treat-ment (if applicable), packa
46、ging, marking, loading for shipment,and certification.3.1.5.1 DiscussionThe finishing operations need not bedone by the organization that did the hot rolling of the plate.For plates produced from coil, see also 3.1.13.1.3.1.6 plate identifierthe alpha, numeric, or alphanumericdesignation used to ide
47、ntify the plate.3.1.7 plates flat hot-rolled steel, ordered to thickness orweight and typically to width and length, commonly availableby size as follows:Width, in. mm Thickness, in. mmOver 8 200 over 0.229 6.0 mm and overOver 48 1200 over 0.179 4.6 mm and over3.1.7.1 DiscussionSteel plates are avai
48、lable in variousthickness, width, and length combinations dependent uponequipment and processing capabilities of various manufactur-ers and processors. Historic limitations of a plate based upondimensions (thickness, width, and length) do not take intoaccount current production and processing capabi
49、lities. Toqualify any plate to a particular product specification requiresthat all appropriate and necessary tests be performed and thatthe results meet the limits prescribed in that product specifi-cation. If the necessary tests required by a product specificationcan not be conducted, the plate can not be qualified to thatspecification. This general requirements specification containspermitted variations for the commonly available sizes. Permit-ted variations for other sizes are subject to agreement betweenthe purchaser and the manufacturer or processor,
