Standard: ASTM E165/E165M

STANDARD PRACTICE FOR LIQUID PENETRANT EXAMINATION FOR GENERAL INDUSTRY

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Scope:

This practice2 covers procedures for penetrant examination of materials. Penetrant testing is a nondestructive testing method for detecting discontinuities that are open to the surface such as cracks, seams, laps, cold shuts, shrinkage, laminations, through leaks, or lack of fusion and is applicable to in-process, final, and maintenance testing. It can be effectively used in the examination of nonporous, metallic materials, ferrous and nonferrous metals, and of nonmetallic materials such as nonporous glazed or fully densified ceramics, as well as certain nonporous plastics, and glass.

This practice also provides a reference:

By which a liquid penetrant examination process recommended or required by individual organizations can be reviewed to ascertain its applicability and completeness.

For use in the preparation of process specifications and procedures dealing with the liquid penetrant testing of parts and materials. Agreement by the customer requesting penetrant inspection is strongly recommended. All areas of this practice may be open to agreement between the cognizant engineering organization and the supplier, or specific direction from the cognizant engineering organization.

For use in the organization of facilities and personnel concerned with liquid penetrant testing.

This practice does not indicate or suggest criteria for evaluation of the indications obtained by penetrant testing. It should be pointed out, however, that after indications have been found, they must be interpreted or classified and then evaluated. For this purpose there must be a separate code, standard, or a specific agreement to define the type, size, location, and direction of indications considered acceptable, and those considered unacceptable.

Units—The values stated in either SI units or inchpound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Combining values from the two systems may result in nonconformance with the standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2 For ASME Boiler and Pressure Vessel Code applications see related Recommended Test Method SE-165 in the Code.

*A Summary of Changes section appears at the end of this standard.

NASA Lessons:
  • This Reliability Practice lesson addresses the use of penetrant testing as a proven method for locating flaws in surface areas of highly stressed areas of components and structures. In addition, it is an effective method for detecting flaws in both metallic and non-metallic materials. The lesson is relevant to secions 1.0, 2.0, 4.0, 5.0, 6.0, 7.0, 8.0, and Addendums A1 and A3 of the ASTM standard.
Organization: ASTM International
Document Number: astm e165/e165m
Publish Date: 2009-07-01
Page Count: 17
Change Type: COMPLETE REVISION
Available Languages: EN
DOD Adopted: NO
ANSI Approved: NO
Most Recent Revision: YES
Current Version: YES
Status: Active
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