1、Designation:B523/B523M12aStandard Specification forSeamless and Welded Zirconium and Zirconium AlloyTubes1This standard is issued under the fixed designation B523/B523M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last
2、 revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification2covers two grades of zirconium andzirconium alloy seamless and welded tubes.1.2 Unless a single unit is use
3、d,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 mixed with inch-pound value
4、s.1.3 The following precautionary caveat pertains only to thetest methods portion 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 appropriate safety and health p
5、racticesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:3A370 Test Methods and Definitions for Mechanical Testingof Steel ProductsB551/B551M Specification for Zirconium and ZirconiumAlloy Strip,Sheet,and PlateB614 Practice for Descaling
6、and Cleaning Zirconium andZirconium Alloy SurfacesE8 Test Methods for Tension Testing of Metallic MaterialsE29 Practice for Using Significant Digits in Test Data toDetermine Conformance with SpecificationsE213 Practice for Ultrasonic Testing of Metal Pipe andTubingE426 Practice for Electromagnetic(E
7、ddy-Current)Examina-tion of Seamless and Welded Tubular Products,Titanium,Austenitic Stainless Steel and Similar Alloys3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 annealed,nfor purposes of this specification“annealed”denotes material that exhibits a recrystallized grainstru
8、cture.3.2 Lot Definitions:3.2.1 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 reduction schedule and the sameheat treatment parameters.Unless otherwise agreed betweenmanufacturer and purchaser,a lot shall b
9、e limited to theproduct of an 8 h period for final continuous anneal,or to asingle furnace load for final batch anneal.4.Classification4.1 The tubes are furnished in two grades as follows:4.1.1 Grade R60702Unalloyed zirconium.4.1.2 Grade R60704Zirconium-tin alloy.5.Ordering Information5.1 Orders for
10、 material under this specification shouldinclude the following information:5.1.1 Quantity(weight or number of pieces,or both),5.1.2 Name of material(zirconium seamless or weldedtube),5.1.3 Dimensions(diameter,wall thickness as either aver-age or minimum,lengths),5.1.4 ASTM designation and year of is
11、sue,5.1.5 Grade number(see 4.1),and5.1.6 Additions to the specification,if required.See 6.3.1,7.3,10.1,12.7.3,14.1,and 15.1 for additional optionalrequirements for the purchase order.NOTE1A typical ordering description is as follows:1000 pieces ofseamless zirconium tubes,2 in.50 mm in outside diamet
12、er by 0.06 in.15 mm in average wall thickness by 10 ft 3 m in length,vacuumannealed,ASTM B523/B523M-01,Grade R60702.1This specification is under the jurisdiction of ASTM Committee B10 and is thedirect responsibility of Subcommittee B10.02 on Zirconium and Hafnium.Current edition approved Aug.1,2012.
13、Published October 2012.Originallyapproved in 1970.Last previous edition approved in 2012 as B523/B523M 12.DOI:10.1520/B0523_B0523M-12A.2For ASME Boiler and Pressure Vessel Code Applications,see related Specifi-cation SB523 in Section II of that Code.3For referenced ASTM standards,visit the ASTM webs
14、ite,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,West Conshohocken,PA 19428-2959.United States1 6.Mate
15、rials and Manufacture6.1 Seamless tube shall be made by any seamless methodthat will yield a product meeting the requirements of thisspecification.6.2 Welded tube shall be made from sheet or strip meetingthe requirements of Specification B551/B551M by an auto-matic arc-welding process or other metho
16、d of welding that willyield a product meeting the requirements of this specification.Filler metal shall not be used.Welded tubing shall be suppliedas follows:6.2.1 As welded,or6.2.2 As welded and further reduced.6.3 The tube shall be furnished annealed.6.3.1 Purchaser shall specify one of the following:(a)annealed in air(b)annealed in vacuum7.Chemical Composition7.1 The material shall conform to the requirements as tochemical composition prescribed in Table 1.7.2 The manufacturers ingot analysis
