Standard Specification for General Requirements …

1 Designation: A 20/A 20M 07 Standard Specification forGeneral Requirements for Steel Plates for Pressure Vessels1 This Standard is issued under the fixed designation A 20/A 20M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last superscript epsilon (e) indicates an editorial change since the last revision or Standard has been approved for use by agencies of the Department of Scope* This General Requirements specification2covers 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.

2 Title of SpecificationASTMD esignationAPressure Vessel Plates, Alloy Steel, Chromium-ManganeseSiliconA 202/A 202 MPressure Vessel Plates, Alloy Steel, NickelA 203/A 203 MPressure Vessel Plates, Alloy Steel, MolybdenumA 204/A 204 MPressure Vessel Plates, Alloy Steel, Manganese-VanadiumA 225/A 225 MPressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile StrengthA 285/A 285 MPressure Vessel Plates, Carbon Steel, Manganese-SiliconA 299/A 299 MPressure Vessel Plates, Alloy Steel, Manganese-Molybdenumand Manganese-Molybdenum-NickelA 302/A 302 MPressure Vessel Plates, Alloy Steel, 9 Percent Nickel Double-Normalized and TemperedA 353/A 353 MPressure Vessel Plates, Alloy Steel, Chromium-MolybdenumA 387/A 387 MPressure Vessel Plates, Carbon Steel, High Strength Manga-neseA 455/A 455 MPressure Vessel Plates, Carbon Steel, for Intermediate- andHigher-Temperature ServiceA 515/A 515 MPressure Vessel Plates, Carbon Steel, Moderate- and Lower-Temperature ServiceA 516/A 516 MPressure Vessel Plates, Alloy Steel, High-Strength, Quenchedand TemperedA 517/A 517 MPressure Vessel Plates, Alloy Steel, Quenched and TemperedManganese-Molybdenum and Manganese-Molybdenum-NickelA 533/A 533 MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-Silicon SteelA 537/A 537 MPressure Vessel Plates, Alloy Steel, Quenched and TemperedChromium-MolybdenumA 542/A 542 MPressure Vessel Plates, Alloy Steel, Quenched and TemperedNickel-Chromium-MolybdenumA 543/A 543 MPressure Vessel Plates, Alloy Steel.

3 Quenched and Tempered8 and 9 Percent NickelA 553/A 553 MPressure Vessel Plates, Carbon Steel, Manganese-Titaniumfor Glass or Diffused Metallic CoatingsA 562/A 562 MPressure Vessel Plates, Carbon Steel, High Strength, for Mod-erate and Lower Temperature ServiceA 612/A 612 MPressure Vessel Plates, Five Percent Nickel Alloy Steel, Spe-cially Heat TreatedA 645/A 645 MPressure Vessel Plates, Carbon-Manganese, for Moderate andLower Temperature ServiceA 662/A 662 MPressure Vessel Plates, Carbon Steel, Quenched and Tem-pered, for Welded Layered Pressure VesselsA 724/A 724 MPressure Vessel Plates, Alloy Steel and High-Strength Low-Alloy Steel, Quenched and TemperedA 734/A 734 MPressure Vessel Plates, Low-Carbon Manganese-Molybdenum-Columbium Alloy Steel, for Moderate and LowerTemperature ServiceA 735/A 735 MPressure Vessel Plates, Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columb ium Alloy SteelA 736/A 736 MPressure Vessel Plates, High-Strength Low-Alloy SteelA 737/A 737 MPressure Vessel Plates, Heat-Treated, Carbon-Manganese-SiliconSteel, for Moderate and Lower Temperature ServiceA 738/A 738 MPressure-Vessel Plates, Quenched and Tempered,Manganese-Chromium-Molybdenum-S ilicon-ZirconiumAlloy SteelA 782/A 782 MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-VanadiumA 832/A 832 MPressure Vessel Plates, Produced by the Thermo-MechanicalControl Process (TMCP)

4 A 841/A 841 MPressure Vessel Plates, 9 % Nickel Alloy, Produced by theDirect-Quenching ProcessA 844/A 844 MPressure Vessel Plates, 9 % Nickel Alloy, Produced by theDirect-Quenching ProcessA 844/A 844 MPressure Vessel Plates, 9 % Nickel Alloy, Produced by theDirect-Quenching ProcessA 844/A 844 MPressure Vessel Plates, Alloy Steel, Chromium-Molybdenum-TungstenA 1017/A 1017 MPressure Vessel Plates, Alloy Steel, Higher StrengthChromium-Molybdenum-TungstenA 1041/A 1041 MAThese designations refer to the latest issue of the respective specificationwhich appears in theAnnual Book of ASTM standards , Vol This General Requirements specification also covers agroup of supplementary Requirements that are applicable toseveral of the above product specifications as indicated Requirements are provided for use if additional testing oradditional restrictions are required by the purchaser, and applyonly if specified individually in the purchase X1provides information on coil as a sourceof plates for pressure X2provides information on the variability oftensile properties in plates for pressure X3provides information on the variability ofCharpy-V-Notch impact test properties in plates for X4provides information on cold bending ofplates, including suggested minimum inside radii for specification is under the jurisdiction of ASTM Committee A01 on Steel.

5 Stainless Steel and Related Alloys and is the direct responsibility of on Steel Plates for Boilers and Pressure edition approved Nov. 1, 2007. Published December 2007. Originallyapproved in 1950. Last previous edition approved in 2006 as A 20/A 20M ASME Boiler and Pressure Vessel Code applications, see related Specifi-cation SA-20/SA-20M in Section II of that *A Summary of Changes section appears at the end of this ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United by ASTM Int'l (all rights reserved); Mon Feb 25 03:47:33 EST 2008 Downloaded/printed byMilutin Savic (M -a- M) pursuant to License Agreement. No further reproductions 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 In case of any conflict in Requirements , the requirementsof the applicable product specification prevail over those of thisgeneral Requirements Additional Requirements that are specified in the 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 For purposes of determining conformance with thisgeneral Requirements specification and the applicable productspecification.

6 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 The values stated in either SI units or inch-pound unitsare to be regarded separately 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 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 units), the plates are to befurnished to inch-pound Referenced standards :3A 202/A 202 MSpecification for Pressure Vessel Plates,Alloy Steel, Chromium-Manganese-Silicon4A 203/A 203 MSpecification for Pressure Vessel Plates,Alloy Steel, NickelA 204/A 204 MSpecification for Pressure Vessel Plates,Alloy Steel, MolybdenumA 225/A 225 MSpecification for Pressure Vessel Plates,Alloy Steel, Manganese-Vanadium-NickelA 285/A 285 MSpecification for Pressure Vessel Plates,Carbon Steel, Low- and Intermediate-Tensile StrengthA 299/A 299 MSpecification for Pressure Vessel Plates,Carbon Steel, Manganese-SiliconA 302/A 302 MSpecification for Pressure Vessel Plates,Alloy Steel, Manganese-Molybdenum and Manganese-Molybdenum-NickelA 353/A 353 MSpecification for Pressure Vessel Plates,Alloy Steel, 9 Percent Nickel.

7 Double-Normalized andTemperedA 370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA 387/A 387 MSpecification for Pressure Vessel Plates,Alloy Steel, Chromium-MolybdenumA 435/A 435 MSpecification for Straight-Beam UltrasonicExamination of Steel PlatesA 455/A 455 MSpecification for Pressure Vessel Plates,Carbon Steel, High-Strength ManganeseA 515/A 515 MSpecification for Pressure Vessel Plates,Carbon Steel, for Intermediate- and Higher-TemperatureServiceA 516/A 516 MSpecification for Pressure Vessel Plates,Carbon Steel, for Moderate- and Lower-Temperature Ser-viceA 517/A 517 MSpecification for Pressure Vessel Plates,Alloy Steel, High-Strength, Quenched and TemperedA 533/A 533 MSpecification for Pressure Vessel Plates,Alloy Steel, Quenched and Tempered, Manganese-Molybdenum and Manganese-Molybdenum-NickelA 537/A 537 MSpecification for Pressure Vessel Plates,Heat-Treated, Carbon-Manganese-Silicon SteelA 542/A 542 MSpecification for Pressure Vessel Plates,Alloy Steel, Quenched-and-Tempered, Chromium-Molybdenum, and Chromium-Molybdenum-VanadiumA 543/A 543 MSpecification for Pressure Vessel Plates,Alloy Steel, Quenched and Tempered Nickel-Chromium-MolybdenumA 553/A 553 MSpecification for Pressure Vessel Plates,Alloy Steel, Quenched and Tempered 8 and 9 % NickelA 562/A 562 MSpecification for Pressure Vessel Plates,Carbon Steel.

8 Manganese-Titanium for Glass or DiffusedMetallic CoatingsA 577/A 577 MSpecification for Ultrasonic Angle-BeamExamination of Steel PlatesA 578/A 578 MSpecification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tionsA 612/A 612 MSpecification for Pressure Vessel Plates,Carbon Steel, High Strength, for Moderate and LowerTemperature ServiceA 645/A 645 MSpecification for Pressure Vessel Plates, 5% and 5 12 % Nickel Alloy Steels, Specially Heat TreatedA 662/A 662 MSpecification 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 724 MSpecification for Pressure Vessel Plates,Carbon-Manganese-Silicon Steel, Quenched and Tem-pered, for Welded Pressure VesselsA 734/A 734 MSpecification for Pressure Vessel Plates,Alloy Steel and High-Strength Low-Alloy Steel,Quenched-and-TemperedA 735/A 735 MSpecification for Pressure Vessel Plates,Low-Carbon Manganese-Molybdenum-Columbium AlloySteel, for Moderate and Lower Temperature ServiceA 736/A 736 MSpecification for Pressure Vessel Plates,Low-Carbon Age-Hardening Nickel-Copper-Chromium-Molybdenum-Columb iumandNickel-Copper-Manganese-Molybdenum -Columbium Alloy Steel3 For referenced ASTM standards , visit the ASTM website, , orcontact ASTM Customer Service at ForAnnual Book of ASTMS tandardsvolume information.

9 Refer to the Standard s Document Summary page onthe ASTM 20/A 20M 072 Copyright by ASTM Int'l (all rights reserved); Mon Feb 25 03:47:33 EST 2008 Downloaded/printed byMilutin Savic (M -a- M) pursuant to License Agreement. No further reproductions 737/A 737 MSpecification for Pressure Vessel Plates,High-Strength, Low-Alloy SteelA 738/A 738 MSpecification for Pressure Vessel Plates,Heat-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 770 MSpecification for Through-Thickness Ten-sion Testing of Steel Plates for Special ApplicationsA 782/A 782 MSpecification for Pressure-Vessel Plates,Quenched-and-Tempered,Manganese-C hromium-Molybdenum-Silicon Zirconium Alloy SteelA 832/A 832 MSpecification for Pressure Vess