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ASTM_B_353_-_12_2017.pdf

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1、Designation:B35312(Reapproved 2017)Standard Specification forWrought Zirconium and Zirconium Alloy Seamless andWelded Tubes for Nuclear Service(Except Nuclear FuelCladding)1This standard is issued under the fixed designation B353;the number immediately following the designation indicates the year of

2、original 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.1.Scope1.1 This specification covers seamless and welded wroughtzirconium and

3、 zirconium-alloy tubes for nuclear application.Nuclear fuel cladding is covered in Specification B811.1.2 Five grades of reactor grade zirconium and zirconiumalloys suitable for nuclear application are described.1.2.1 The present UNS numbers designated for the fivegrades are given in Table 1.1.3 Unl

4、ess a single unit is used,for example corrosion massgain in mg/dm2,the values stated in either inch-pound or SIunits are to be regarded separately as standard.The valuesstated in each system are not exact equivalents;therefore eachsystem must be used independently of the other.SI valuescannot be mix

5、ed with inch-pound values.1.4 The following precautionary caveat pertains only to thetest method portions of this specification.This standard doesnot purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to establish appropr

6、iate safety and health practicesand determine the applicability of regulatory limitations priorto use.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 Internatio

7、nal Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2B350/B350M Specification for Zirconium and ZirconiumAlloy Ingots for Nuclear ApplicationB811 Specification for Wrought Zirconium Alloy S

8、eamlessTubes for Nuclear Reactor Fuel CladdingE8 Test Methods for Tension Testing of Metallic MaterialsE21 Test Methods for Elevated Temperature Tension Tests ofMetallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE112 Test Methods for D

9、etermining Average Grain SizeG2/G2M Test Method for Corrosion Testing of Products ofZirconium,Hafnium,and Their Alloys in Water at 680F(360C)or in Steam at 750F(400C)3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 dimensions,ntube dimensions are outside diameter,inside diameter

10、,and wall thickness.Only two of these param-eters may be specified in addition to length,except minimumwall may be specified with outside and inside diameter.In eachcase,ovality and wall thickness variation(WTV)may bespecified as additional requirements(see 3.1.5 and 3.1.6).3.1.2 hydride orientation

11、 fraction,Fn,nthe ratio of hy-dride platelets oriented in the radial direction to the totalhydride platelets in the field examined.3.1.3 Lot Definitions:3.1.3.1 tubes,na lot shall consist of a material of the samesize,shape,condition,and finish produced from the same ingotor powder blend by the same

12、 reduction schedule and the sameheat treatment parameters.Unless otherwise agreed betweenmanufacturer and purchaser,a lot shall be limited to theproduct of an 8 h period for final continuous anneal,or to asingle furnace load for final batch anneal.3.1.4 mill finish tubes,ntubes that have received al

13、lfinishing operations subsequent to final anneal,which poten-tially affects tube mechanical,dimensional,or surface condi-tion.These operations include,but are not limited to,pickling,cleaning,outer and inner surface abrasive conditioning,andstraightening.1This specification is under the jurisdiction

14、 of ASTM Committee B10 onReactive and Refractory Metals and Alloys and is the direct responsibility ofSubcommittee B10.02 on Zirconium and Hafnium.Current edition approved May 1,2017.Published May 2017.Originallyapproved in 1960.Last previous edition approved in 2012 as B353 12.DOI:10.1520/B0353-12R

15、17.2For 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,

16、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 3.1.5 ovality,nthe difference between the maximum andminimum diameter,either outer or inner,as determined at anyone transverse cross sectio

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