寬天下標准翻譯-ASTM E1444/E1444M-2022中文版

原標題：寬天下標准翻譯-ASTM E1444/E1444M-2022中文版

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ASTM E1444/E1444M Revision 22A, July 1, 2022

Standard Practice for Magnetic Particle Testing for Aerospace

Revision: Revision 22A, July 1, 2022

Published Date: July 1, 2022

Status: Active, Most Current

Document Language: English

Published By: ASTM International (ASTM)

Page Count: 16

Description:

ASTM E1444/E1444M, Revision 22A, July 1, 2022 - Standard Practice for Magnetic Particle Testing for Aerospace

This practice establishes minimum requirements for magnetic particle testing used for the detection of surface or slightly subsurface discontinuities in ferromagnetic material. This practice is intended for aerospace applications using the wet fluorescent method. Refer to Practice E3024/E3024M for industrial applications. Guide E709 can be used in conjunction with this practice as a tutorial.

NOTE 1—This practice replaces MIL-STD-1949.

The magnetic particle testing method is used to detect cracks, laps, seams, inclusions, and other discontinuities on or near the surface of ferromagnetic materials. Magnetic particle testing may be applied to raw material, billets, finished and semi-finished materials, welds, and in-service parts. Magnetic particle testing is not applicable to non-ferromagnetic metals and alloys such as austenitic stainless steels. See Appendix X1 for additional information.

Portable battery powered electromagnetic yokes are outside the scope of this practice.

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.

This standard is a combined standard, an ASTM standard in which rationalized SI units and inch-pound units are included in the same standard, with each system of units to be regarded separately as standard.

Units—The values stated in either SI units or inchpound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.

寬天下標准翻譯-ASTM E1444/E1444M-2022中文版

標題：寬天下標准翻譯-ASTM E1444/E1444M-2022中文版

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