1、Designation: A 20/A20M 06Standard Specification forGeneral Requirements for Steel Plates for Pressure Vessels1This standard is issued under the fixed designation A 20/A20M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year o
2、f last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon (e) 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 specifi
3、cation2covers 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 SpecificationASTMDesignation3Pressure Vessel Plates, Al
4、loy Steel, Chromium-ManganeseSiliconA 202/A 202MPressure Vessel Plates, Alloy Steel, Nickel A 203/A 203MPressure Vessel Plates, Alloy Steel, Molybdenum A 204/A 204MPressure Vessel Plates, Alloy Steel, Manganese-Vanadium A 225/A 225MPressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile
5、StrengthA 285/A 285MPressure Vessel Plates, Carbon Steel, Manganese-Silicon A 299/A 299MPressure Vessel Plates, Alloy Steel, Manganese-Molybdenumand Manganese-Molybdenum-NickelA 302/A 302MPressure Vessel Plates, Alloy Steel, 9 Percent Nickel Double-Normalized and TemperedA 353/A 353MPressure Vessel
6、Plates, Alloy Steel, Chromium-Molybdenum A 387/A 387MPressure Vessel Plates, Carbon Steel, High Strength Manga-neseA 455/A 455MPressure Vessel Plates, Carbon Steel, for Intermediate- andHigher-Temperature ServiceA 515/A 515MPressure Vessel Plates, Carbon Steel, Moderate- and Lower-Temperature Servic
7、eA 516/A 516MPressure Vessel Plates, Alloy Steel, High-Strength, Quenchedand TemperedA 517/A 517MPressure Vessel Plates, Alloy Steel, Quenched and TemperedManganese-Molybdenum and Manganese-Molybdenum-NickelA 533/A 533MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon SteelA 537/A 537MP
8、ressure Vessel Plates, Alloy Steel, Quenched and TemperedChromium-MolybdenumA 542/A 542MPressure Vessel Plates, Alloy Steel, Quenched and TemperedNickel-Chromium-MolybdenumA 543/A 543MPressure Vessel Plates, Alloy Steel, Quenched and Tempered8 and 9 Percent NickelA 553/A 553MPressure Vessel Plates,
9、Carbon Steel, Manganese-Titaniumfor Glass or Diffused Metallic CoatingsA 562/A 562MPressure Vessel Plates, Carbon Steel, High Strength, for Mod-erate and Lower Temperature ServiceA 612/A 612MPressure Vessel Plates, Five Percent Nickel Alloy Steel, Spe-cially Heat TreatedA 645/A 645MPressure Vessel P
10、lates, Carbon-Manganese, for Moderate andLower Temperature ServiceA 662/A 662MPressure Vessel Plates, Carbon Steel, Quenched and Tem-pered, for Welded Layered Pressure VesselsA 724/A 724MPressure Vessel Plates, Alloy Steel and High-Strength Low-Alloy Steel, Quenched and TemperedA 734/A 734MPressure
11、Vessel Plates, Low-Carbon Manganese-Molybdenum-Columbium Alloy Steel, for Moderate and LowerTemperature ServiceA 735/A 735MPressure Vessel Plates, Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium Alloy SteelA 736/A 736MPressure Vessel Plates, High-Strength Low-Alloy Steel A 737/A
12、 737MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon Steel, for Moderate and Lower Temperature ServiceA 738/A 738MPressure-Vessel Plates, Quenched and Tempered,Manganese-Chromium-Molybdenum-Silicon-ZirconiumAlloy SteelA 782/A 782MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenu
13、m-VanadiumA 832/A 832MPressure Vessel Plates, Produced by the Thermo-MechanicalControl Process (TMCP)A 841/A 841MPressure Vessel Plates, 9 % Nickel Alloy, Produced by theDirect-Quenching ProcessA 844/A 844MPressure Vessel Plates, 9 % Nickel Alloy, Produced by theDirect-Quenching ProcessA 844/A 844MP
14、ressure Vessel Plates, 9 % Nickel Alloy, Produced by theDirect-Quenching ProcessA 844/A 844MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-TungstenA 1017/A 1017MPressure Vessel Plates, Alloy Steel, Higher StrengthChromium-Molybdenum-TungstenA 1041/A 1041M1.1.1 This general requirements spe
15、cification also covers agroup of supplementary requirements that are applicable toseveral of 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 individu
16、ally in the purchase order.1.2 Appendix X1 provides information on coil as a sourceof plates for pressure vessels.1.3 Appendix X2 provides information on the variability oftensile properties in plates for pressure vessels.1.4 Appendix X3 provides information on the variability ofCharpy-V-Notch impac
17、t test properties in plates for pressurevessels.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 Steel Plates for Boilers and Pressure Vessels.Current edition approved Oct. 1, 20
18、06. Published October 2006. Originallyapproved in 1950. Last previous edition approved in 2005 as A 20/A 20M 05.2For ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-20/SA-20M in Section II of that Code.3These designations refer to the latest issue of the respective s
19、pecification whichappears in the Annual Book of ASTM Standards, Vol 01.04.1*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.1.5 Appendix X4 provides information on cold
20、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 procedure suitable for the grade of steel and intendeduse or service will be utilized.1.7 In c
21、ase 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 the pur-chase order and accepted by the supplier are permitted,provided that such requirements d
22、o 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 and the applicable productspecification, values are to be rounded to the nearest unit in theri
23、ght-hand place of figures used in expressing the limitingvalues in accordance with the rounding method of PracticeE29.1.10 The values stated in either inch-pound units or SI unitsare to be regarded as standard. Within the text, the SI units areshown in brackets. The values stated in each system are
24、notexact equivalents. Therefore, each system is to be usedindependently of the other.1.11 This general requirements specification and the appli-cable product specification are expressed in both inch-poundunits and SI units; unless the order specifies the applicable “M”specification designation (SI u
25、nits), the plates are to befurnished to inch-pound units.2. Referenced Documents2.1 ASTM Standards:4A 202/A 202M Specification for Pressure Vessel Plates,Alloy Steel, Chromium-Manganese-Silicon5A 203/A 203M Specification for Pressure Vessel Plates,Alloy Steel, NickelA 204/A 204M Specification for Pr
26、essure Vessel Plates,Alloy Steel, MolybdenumA 225/A 225M Specification for Pressure Vessel Plates,Alloy Steel, Manganese-Vanadium-NickelA 285/A 285M Specification for Pressure Vessel Plates,Carbon Steel, Low- and Intermediate-Tensile StrengthA 299/A 299M Specification for Pressure Vessel Plates,Carb
27、on Steel, Manganese-SiliconA 302/A 302M Specification for Pressure Vessel Plates,Alloy Steel, Manganese-Molybdenum and Manganese-Molybdenum-NickelA 353/A 353M Specification for Pressure Vessel Plates,Alloy Steel, 9 Percent Nickel, Double-Normalized andTemperedA 370 Test Methods and Definitions for M
28、echanical Testingof Steel ProductsA 387/A 387M Specification for Pressure Vessel Plates,Alloy Steel, Chromium-MolybdenumA 435/A 435M Specification for Straight-Beam UltrasonicExamination of Steel PlatesA 455/A 455M Specification for Pressure Vessel Plates,Carbon Steel, High-Strength ManganeseA 515/A
29、 515M Specification for Pressure Vessel Plates,Carbon Steel, for Intermediate- and Higher-TemperatureServiceA 516/A 516M Specification for Pressure Vessel Plates,Carbon Steel, for Moderate- and Lower-Temperature Ser-viceA 517/A 517M Specification for Pressure Vessel Plates,Alloy Steel, High-Strength
30、, Quenched and TemperedA 533/A 533M Specification for Pressure Vessel Plates,Alloy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-NickelA 537/A 537M Specification for Pressure Vessel Plates,Heat-Treated, Carbon-Manganese-Silicon SteelA 542/A 542M Specification for Pressu
31、re Vessel Plates,Alloy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-VanadiumA 543/A 543M Specification for Pressure Vessel Plates,Alloy Steel, Quenched and Tempered Nickel-Chromium-MolybdenumA 553/A 553M Specification for Pressure Vessel Plates,Alloy Steel, Quenched and
32、 Tempered 8 and 9 % NickelA 562/A 562M Specification for Pressure Vessel Plates,Carbon Steel, Manganese-Titanium for Glass or DiffusedMetallic CoatingsA 577/A 577M Specification for Ultrasonic Angle-BeamExamination of Steel PlatesA 578/A 578M Specification for Straight-Beam UltrasonicExamination of
33、Plain and Clad Steel Plates for SpecialApplicationsA 612/A 612M Specification for Pressure Vessel Plates,Carbon Steel, High Strength, for Moderate and LowerTemperature ServiceA 645/A 645M Specification for Pressure Vessel Plates, 5% and 5 12 % Nickel Alloy Steels, Specially Heat TreatedA 662/A 662M
34、Specification for Pressure Vessel Plates,Carbon-Manganese-Silicon Steel, for Moderate and LowerTemperature ServiceA 700 Practices for Packaging, Marking, and LoadingMethods for Steel Products for ShipmentA 724/A 724M Specification for Pressure Vessel Plates,Carbon-Manganese-Silicon Steel, Quenched a
35、nd Tem-pered, for Welded Pressure VesselsA 734/A 734M Specification for Pressure Vessel Plates,Alloy Steel and High-Strength Low-Alloy Steel,Quenched-and-TemperedA 735/A 735M Specification for Pressure Vessel Plates,Low-Carbon Manganese-Molybdenum-Columbium AlloySteel, for Moderate and Lower Tempera
36、ture Service4For 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 Summary page onthe ASTM website.5Withdrawn.A 20/A20M 062A 736/A 736M Specificatio
37、n for Pressure Vessel Plates,Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columbium and Nickel-Copper-Manganese-Molybdenum-Columbium Alloy SteelA 737/A 737M Specification for Pressure Vessel Plates,High-Strength, Low-Alloy SteelA 738/A 738M Specification for Pressure Vessel Plates,Heat
38、-Treated, Carbon-Manganese-Silicon Steel, for Mod-erate and Lower Temperature ServiceA 751 Test Methods, Practices, and Terminology forChemical Analysis of Steel ProductsA 770/A 770M Specification for Through-Thickness Ten-sion Testing of Steel Plates for Special ApplicationsA 782/A 782M Specificati
39、on for Pressure-Vessel Plates,Quenched-and-Tempered, Manganese-Chromium-Molybdenum-Silicon Zirconium Alloy SteelA 832/A 832M Specification for Pressure Vessel Plates,Alloy Steel, Chromium-Molybdenum-VanadiumA 841/A 841M Specification for Steel Plates for PressureVessels, Produced by Thermo-Mechanica
40、l Control Process(TMCP)A 844/A 844M Specification for Steel Plates, 9 % NickelAlloy, for Pressure Vessels, Produced by the Direct-Quenching ProcessA 941 Terminology Relating to Steel, Stainless Steel, Re-lated Alloys, and FerroalloysA 1017/A 1017M Specification for Pressure Vessel Plates,Alloy Steel
41、, Chromium-Molybdenum-TungstenA 1041/A 1041M Specification for Pressure Vessel Plates,Alloy Steel, Higher Strength Chromium-Molybdenum-TungstenE21 Test Methods for Elevated Temperature Tension Testsof Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance wi
42、th SpecificationsE112 Test Methods for Determining Average Grain SizeE 208 Test Method for Conducting Drop-Weight Test toDetermine Nil-Ductility Transition Temperature of FerriticSteelsE 709 Guide for Magnetic Particle Examination2.2 American Society of Mechanical Engineers Code:ASME Boiler and Pres
43、sure Vessel Code, Section IX, Weld-ing Qualifications62.3 U.S. Military Standard:MIL-STD-163 Steel Mill Products Preparation for Ship-ment and Storage72.4 U.S. Federal Standard:Fed. Std. No. 123, Marking for Shipment (Civil Agencies)72.5 Automotive Industry Action Group Standard:B 1 Bar Code Symbolo
44、gy Standard83. 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 permissible variations indimensions, the term is intend
45、ed 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 TerminologyA 941.3.1.4 hot forminga forming operation producing perma-nent deformation, perf
46、ormed 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 for plates produced fromplate-as-rolled, the organizati
47、on 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), packaging, marking, loading for shipment,and certification
48、.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 identify the plate.3.1.7 plates flat hot-rolled steel, o
49、rdered to thickness orweight and typically to width and length, commonly availableby size as follows:Width, in. mm Thickness, in. mmOver 8 200Over 48 1200over 0.229 6.0 mm and overover 0.179 4.6 mm and over3.1.7.1 DiscussionSteel plates are available 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 capabilities. Toqualify
