1、Designation:A450/A450M18aStandard Specification forGeneral Requirements for Carbon and Low Alloy SteelTubes1This standard is issued under the fixed designation A450/A450M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of la
2、st 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 U.S.Department of Defense.1.Scope*1.1 This specification2covers a group of r
3、equirementswhich,with the exceptions of 6.3 and Sections 7,8,19,20,21,22,23,24,and 25,are mandatory requirements to the follow-ing ASTM tubular product specifications:3Title of SpecificationASTM DesignationAElectric-Resistance-Welded Carbon Steel and Carbon-Manganese Steel Boiler TubesA178/A178MSeam
4、less Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser TubesA179/A179MSeamless Carbon Steel Boiler Tubes for High-PressureServiceA192/A192MSeamless Medium-Carbon Steel Boiler and Super-heater TubesA210/A210MElectric-Resistance-Welded Carbon Steel Heat-Exchanger and Condenser TubesA214/A214MSe
5、amless and Electric-Welded Low-Alloy Steel TubesA423/A423MSpecification for Seamless and Welded Carbon SteelHeat-Exchanger Tubes with Integral FinsA498/A498MSeamless Cold-Drawn Carbon Steel Feedwater HeaterTubesA556/A556MSeamless,Cold-Drawn Carbon Steel Tubing for Hy-draulic System ServiceA822/A822M
6、AThese designations refer to the latest issue of the respective specifications.1.2 One or more of Sections 6.3,7,8,19,20,21,22,22.1,24,and 25 apply when the product specification or purchaseorder has a requirement for the test or analysis described bythese sections.1.3 In case of conflict between a
7、requirement of the productspecification and a requirement of this general requirementspecification only the requirement of the product specificationneed be satisfied.1.4 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard.Within the text,theSI units are
8、shown in brackets.The values stated in eachsystem may not be exact equivalents;therefore,each systemshall be used independently of the other.Combining valuesfrom the two systems may result in non-conformance with thestandard.The inch-pound units shall apply unless the“M”designation(SI)of the product
9、 specification is specified in theorder.1.5 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
10、Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:4A178/A178M Specification for Electric-Resistance-WeldedCarbon Steel and Carbon-Manganese Steel Boiler andSuperheater TubesA179/A179M Specification for Seamless Cold-Drawn Low-Carbon Steel Heat-Excha
11、nger and Condenser TubesA192/A192M Specification for Seamless Carbon SteelBoiler Tubes for High-Pressure ServiceA210/A210M Specification for Seamless Medium-CarbonSteel Boiler and Superheater TubesA214/A214M Specification for Electric-Resistance-WeldedCarbon Steel Heat-Exchanger and Condenser TubesA
12、370 Test Methods and Definitions for Mechanical Testingof Steel ProductsA423/A423M Specification for Seamless and Electric-Welded Low-Alloy Steel TubesA498/A498M Specification for Seamless and Welded Car-bon Steel Heat-Exchanger Tubes with Integral FinsA530/A530M Specification for General Requiremen
13、ts forSpecialized Carbon and Alloy Steel PipeA556/A556M Specification for Seamless Cold-Drawn Car-bon Steel Feedwater Heater Tubes1This specification is under the jurisdiction of ASTM Committee A01 on Steel,Stainless Steel and Related Alloys and is the direct responsibility of SubcommitteeA01.09 on
14、Carbon Steel Tubular Products.Current edition approved Nov.1,2018.Published December 2018.Originallyapproved in 1961.Last previous edition approved in 2018 as A450/A450M 18.DOI:10.1520/A0450_A0450M-18A.2For ASME Boiler and Pressure Vessel Code applications see related Specifi-cation SA-450 in Sectio
15、n II of that Code.3Annual Book of ASTM Standards,Vols 01.01 and 01.04.4For 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 webs
16、ite.*A Summary of Changes section appears at the end of this standardCopyright 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 A700 Gu
