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TM_A_263_
_12_2019
Designation:A26312(Reapproved 2019)Standard Specification forStainless Chromium Steel-Clad Plate1This standard is issued under the fixed designation A263;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification2covers plate of a carbon steel orlow-alloy steel base to which is integrally and continuouslybonded on one or both sides a layer of stainless chromiumsteel.The material is generally intended for pressure vesseluse.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:3A6/A6M Specification for General Requirements for RolledStructural Steel Bars,Plates,Shapes,and Sheet PilingA20/A20M Specification for General Requirements for SteelPlates for Pressure VesselsA240/A240M Specification for Chromium and Chromium-Nickel Stainless Steel Plate,Sheet,and Strip for PressureVessels and for General ApplicationsA370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA480/A480M Specification for General Requirements forFlat-Rolled Stainless and Heat-Resisting Steel Plate,Sheet,and StripA578/A578M Specification for Straight-Beam UltrasonicExamination of Rolled Steel Plates for Special Applica-tionsA751 Test Methods,Practices,and Terminology for Chemi-cal Analysis of Steel Products2.2 Other Standards:ASME Boiler and Pressure Vessel Code,Section IX43.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 This material is considered as single-clad or double-clad stainless chromium-steel plate,depending on whether oneor both sides are covered.3.1.2 alloy cladding,nthe stainless chromium steel com-ponent of the composite plate.3.1.3 base metal(backing steel),ncomponent to whichthe alloy cladding is applied,usually the greater percentage ofthe composite plate.3.1.4 integrally and continuously bonded,na condition inwhich the alloy cladding and base metal are brought together toform a metallurgical bond at essentially the entire interface ofthe two metals by means other than those processes that do notproduce a homogeneous composite plate.4.Ordering Information4.1 It is the responsibility of the purchaser to specify allrequirements that are necessary for material ordered under thisspecification.Such requirements may include,but are notlimited to,the following:4.1.1 Quantity(weight or number of pieces).4.1.2 Cladding alloy specification(UNS or ASTM Specifi-cation A240/A240M)and whether cladding is for corrosionallowance only.4.1.3 Base metal specification.4.1.4 Bond integrity Class(1,3,or 5;see Section 13).4.1.5 Dimensions including the minimum or nominal thick-nesses of the cladding alloy and the backing steel,or of thetotal composite and if more or less restrictive thicknesstolerances apply.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 for Steel Plates for Boilers and Pressure Vessels.Current edition approved March 1,2019.Published April 2019.Originallyapproved in 1943.Last previous edition approved in 2012 as A263 12.DOI:10.1520/A0263-12R19.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-263 in Section II of that Code.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 Summary page onthe ASTM website.4Available from American Society of Mechanical Engineers(ASME),ASMEInternational Headquarters,Two Park Ave.,New York,NY 10016-5990,http:/www.asme.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 4.1.6 Product analysis,if required(see Section 10).Specifywhether applicable to the cladding alloy,backing steel,or both.4.1.7 Mechanical properties including shear test if re