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Full Description

1.1''This practice describes procedures for visible liquid penetrant examination utilizing the water-washable process. It is a nondestructive practice for detecting discontinuities that are open to the surface such as cracks, seams, laps, cold shuts, laminations, isolated porosity, through leaks or lack of fusion and is applicable to in-process, final, and maintenance examination. This practice can be effectively used in the examination of nonporous, metallic materials, both ferrous and nonferrous, and of nonmetallic materials such as glazed or fully densified ceramics, and certain nonporous plastics, and glass.

1.2''This practice also provides the following references:

1.2.1''A reference by which visible penetrant examination procedures using the water-washable process can be reviewed to ascertain their applicability and completeness.

1.2.2''For use in the preparation of process specifications dealing with the visible, water-washable liquid penetrant examination of materials and parts. Agreement between the user and the supplier regarding specific techniques is strongly recommended.

1.2.3''For use in the organization of the facilities and personnel concerned with the liquid penetrant examination.

1.3''This practice does not indicate or suggest criteria for evaluation of the indications obtained. It should be noted, however, that after indications have been produced, they must be interpreted or classified and then evaluated. For this purpose there must be a separate code, specification, or a specific agreement to define the type, size, location, and orientation of indications considered acceptable, and those considered unacceptable.

1.3.1''The user is encouraged to use materials and processing parameters necessary to detect conditions of a type or severity which could affect the evaluation of the product.

1.4''Units'''The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.5''Basis of Application'''There are areas in this practice that may require agreement between the cognizant engineering organization and the supplier, or specific direction from the cognizant engineering organization. These areas are identified as follows:

1.5.1''Penetrant type, method and sensitivity,

1.5.2''Accept/reject criteria,

1.5.3''Personnel qualification requirements,

1.5.4''Grit blasting,

1.5.5''Etching,

1.5.6''Indication/discontinuity sizing,

1.5.7''Total processing time, and

1.5.8''Marking of parts.

1.6''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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.7''This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

 

Document History

  1. ASTM E1418-21

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    Standard Practice for Visible Penetrant Testing Using the Water-Washable Process

    • Most Recent
  2. ASTM E1418-16


    Standard Practice for Visible Penetrant Testing Using the Water-Washable Process

    • Historical Version
  3. ASTM E1418-10


    Standard Practice for Visible Penetrant Testing Using the Water-Washable Process

    • Historical Version
  4. ASTM E1418-05


    Standard Test Method for Visible Penetrant Examination Using the Water-Washable Process

    • Historical Version
  5. ASTM E1418-04


    Standard Test Method for Visible Penetrant Examination Using the Water-Washable Process

    • Historical Version
  6. ASTM E1418-98


    Standard Test Method for Visible Penetrant Examination Using the Water-Washable Process

    • Historical Version