1、Designation:E2669161Standard Digital Reference Images forTitanium Castings1This standard is issued under the fixed designation E2669;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 in
2、dicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEThe designation for Volume I of the Reference Radiographs was corrected editorially in October 2016.1.Scope*1.1 The digital reference images provided in the adjuncts tot
3、his standard illustrate various types and degrees of disconti-nuities occurring in titanium castings.2Use of this standard forthe specification or grading of castings requires procurement ofthe appropriate adjunct digital reference images,which illus-trate the discontinuity types and severity levels
4、.They areintended to provide the following:1.1.1 A guide enabling recognition of titanium castingdiscontinuities and their differentiation both as to type anddegree through digital radiographic examination.1.1.2 Example digital radiographic illustrations of disconti-nuities and a nomenclature for re
5、ference in acceptancestandards,specifications and drawings.1.2 The digital reference images consist of twenty-fivedigital files each illustrating eight grades of increasing severity.The Volume I files illustrate seven common discontinuity typesrepresenting casting sections up to 1 in.(25.4 mm).TheVo
6、lume II files illustrate five discontinuity types representingcasting sections over 1 in.(25.4 mm)to 2 in.(50.8 mm)inthickness.1.3 All areas of this standard may be open to agreementbetween the cognizant engineering organization and thesupplier,or specific direction from the cognizant engineeringorg
7、anization.These items should be addressed in the purchaseorder or the contract.NOTE1The digital reference images are available from ASTMInternational Headquarters.Order number RRE2669 and RRE266902.Each of the digital reference images contain an image of a step densityscale and two duplex-wire gauge
8、s.Refer to Practice E2002 for wire pairdetails.Originally,only Volume I images were available and some setsmay identify these only as RRE2669 without a volume designation.Theyremain valid for use as Volume I images.1.4 The values stated in inch-pound units are to be regardedas standard.The values gi
9、ven in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.5 These digital reference images are not intended toillustrate the types or degrees of discontinuities when perform-ing film radiography.If performing film radiography o
10、f tita-nium castings,refer to Reference Radiographs E1320.1.6 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility
11、 of regulatory limitations prior to use.1.7 Only licensed copies of the software and images shall beutilized for production inspection.A copy of the ASTM/Userlicense agreement shall be kept on file for audit purposes.2.Referenced Documents2.1 ASTM Standards:3E1316 Terminology for Nondestructive Exam
12、inationsE1320 Reference Radiographs for Titanium CastingsE2002 Practice for Determining Total Image Unsharpnessand Basic Spatial Resolution in Radiography and Radios-copy2.2 SMPTE Practice:4RP1332.3 ASTM Adjuncts:Digital Reference Images for Titanium Castings:Volume I:Applicable for Thicknesses up t
13、o 1 in.(25.4 mm)5Volume II:Applicable for Thicknesses over 1 in.(25.4 mm)to 2 in.(50.8 mm)61This standard is under the jurisdiction of ASTM Committee E07 on Nonde-structive Testing and is the direct responsibility of Subcommittee E07.02 onReference Radiological Images.Current edition approved June 1
14、,2016.Published June 2016.Originallyapproved in 2010.Last previous edition approved in 2011 as E2669-11.DOI:10.1520/E2669-16E01.2The digital reference images are considered to be applicable to all titaniumcastings,requiring close tolerances.Castings for which these images are applicablegenerally inc
15、lude those made by the lost wax,frozen mercury,ceramicast or shellmold processes.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 onth
16、e ASTM website.4Available from Society of Motion Picture and Television Engineers,3 BarkerAvenue,White Plains,NY 10601;or www.smpte.org/smpte_store/5Available from ASTM International Headquarters.Order Adjunct No.RRE2669.6Available from ASTM International Headquarters.Order Adjunct No.RRE266902.*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 States1 3.Terminology3.1 DefinitionsD
