1、Designation:E125516Standard Practice forRadioscopy1This standard is issued under the fixed designation E1255;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
2、 reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This practice2provides application details for radio-scopic examination using penetrating radiation.This includesdynamic radioscopy and for the purposes of this practice,radioscopy where
3、there is no motion of the object duringexposure(referred to as static radioscopic imaging)both usingan analog component such as an electro-optic device or analogcamera.Since the techniques involved and the applications forradioscopic examination are diverse,this practice is not in-tended to be limit
4、ing or restrictive,but rather to address thegeneral applications of the technology and thereby facilitate itsuse.Refer to Guides E94 and E1000,Terminology E1316,Practice E747,Practice E1025,Practice E2698,and Fed.Std.Nos.21 CFR 1020.40 and 29 CFR 1910.96 for a list ofdocuments that provide additiona
5、l information and guidance.1.2 The general principles discussed in this practice applybroadly to penetrating radiation radioscopic systems.However,this document is written specifically for use with X-ray andgamma-ray systems.Other radioscopic systems,such as thoseemploying neutrons,will involve equi
6、pment and applicationdetails unique to such systems.1.3 The former mandatory Annex“A1.DEPARTMENT OFDEFENSE CONTRACTS,SUPPLEMENTAL REQUIRE-MENTS”was deleted and the detailed requirements areappended now in the non-mandatory Appendix X1.AppendixX1 may be used to fulfill existing contracts.1.4 The user
7、 of this practice shall note that energies higherthan 320keV may require different methods other than thosedescribed within this practice.1.5 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 est
8、ablish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.For specific safetystatements,see Section 9 and Fed.Std.Nos.21 CFR 1020.40and 29 CFR 1910.96.2.Referenced Documents2.1 ASTM Standards:3E94 Guide for Radiographic ExaminationE543 Sp
9、ecification for Agencies Performing NondestructiveTestingE747 Practice for Design,Manufacture and Material Group-ing Classification of Wire Image Quality Indicators(IQI)Used for RadiologyE1000 Guide for RadioscopyE1025 Practice for Design,Manufacture,and MaterialGrouping Classification of Hole-Type
10、Image Quality In-dicators(IQI)Used for RadiologyE1165 Test Method for Measurement of Focal Spots ofIndustrial X-Ray Tubes by Pinhole ImagingE1316 Terminology for Nondestructive ExaminationsE1411 Practice for Qualification of Radioscopic SystemsE1453 Guide for Storage of Magnetic Tape Media thatConta
11、ins Analog or Digital Radioscopic DataE1475 Guide for Data Fields for Computerized Transfer ofDigital Radiological Examination DataE1742 Practice for Radiographic ExaminationE2002 Practice for Determining Total Image Unsharpnessand Basic Spatial Resolution in Radiography and Radios-copyE2339 Practic
12、e for Digital Imaging and Communication inNondestructive Evaluation(DICONDE)E2698 Practice for Radiological Examination Using DigitalDetector ArraysE2903 Test Method for Measurement of the Effective FocalSpot Size of Mini and Micro Focus X-ray Tubes2.2 ASNT Standard:4SNT-TC-1A Recommended Practice f
13、or Personnel Qualifi-cation and Certification in Nondestructive TestingANSI/ASNT CP-189 Standard for Qualification and Certifi-cation of Nondestructive Testing Personnel1This practice is under the jurisdiction of ASTM Committee E07 on Nonde-structive Testing and is the direct responsibility of Subco
14、mmittee E07.01 onRadiology(X and Gamma)Method.Current edition approved June 1,2016.Published July 2016.Originally approvedin 1988.Last previous edition approved in 2009 as E1255-09.DOI:10.1520/E1255-16.2For ASME Boiler and Pressure Vessel Code applications see related PracticeSE-1255 in Section II o
15、f 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 fromAmerican Society for Nondestructive Tes
16、ting(ASNT),P.O.Box28518,1711 Arlingate Ln.,Columbus,OH 43228-0518,http:/www.asnt.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.3 Federal Standards:521 CFR 1020.40 Safety Requirements of Cabinet X-RaySystems29 CFR 1910.96 Ionizing Radiation2.4 National Council on Radiation Protection and Measure-ment(NCRP)Standard:NCRP 49 Structural Shielding Design and Evaluation forMedical Use of X Rays and Gamma Rays of Energies Upto 10 MeV6