Designation:E165-09 Standard Practice for Liquid Penetrant Examination for General lndustry1
1. Scope
1.1 This practice2 covers procedures for penetrant examina-tion of materials.Penetrant testing is a nondestructive testing
method for detecting discontinuities that are open to the surfacesuch as cracks, scams,laps, cold shuts, shrinkagc,laminations,
through leaks, or lack of fusion and is applicable to in-process,final, and maintenance testing. It can be effectively used in theexamination of nonporous,metallic materials，ferrous andnonfcrrous mmctals. and of nonmctallic materials such as non-porous glazed or fully densified ceramics, as well as certainnonporous plastics, and glass.
1.2 This practice allso provides a reference:
1.2.1 By 'which a liquid penetrant_ examination processrecommended or required by individual organizations can bereviewed to ascertain its applicability and completeness.
1.2.2 For use in the preparation of process specifications andprocedures dealing with the liquid penetrant testing of parts
and materials.Agreement by the customer requesting penetrantinspection is strongly recommended.All areas of this practicemay be open to agreement between the cognizant engineeringorganization and the supplier,or specific direction from thecognizant engineering organization.
1.2.3 For use in the organization of facilities and pcrsonnelconcerned with liquid penetrant testing.
1.3 This practice does not indicate or suggest criteria forevaluation of the indications obtained by penetrant testing. Itshould be pointed out,however,that after indications havebeen found, they must be interpreted or classified and thenevaluated. For this purpose there must be a separate code,standard,or a specific agreement to define the type.size,location.and direction of indications considcred acceptablc,and those considered unacceptable.
1.4 The values stated in inch-pound units are to be regardedas the standard. Sl units are provided for infonmation only.1.5 This standard does not purport to address all of thesafery concerns。ifcaray. associated wirhn irs uese. I is rherespovasibility of the user of this siandard to estcblish appro-
E 165-09 Standard Practice for Liquid Penetrant Examination for General lndustry
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