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SAE AMS2442 Revision A, April 1, 2007
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Magnetic Particle Acceptance Criteria for Parts
Includes all amendments and changes through Reaffirmation Notice , April 2012
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AIA/NAS Aerospace Standards
Purpose

This specification establishes acceptance criteria for discontinuities revealed by magnetic particle inspection of parts made from wrought, ferromagnetic materials.

Application

These criteria are intended typically for, but not limited to, aerospace parts that require magnetic particle inspection following the completion of fabrication operations.

Classification

Five grades are listed in Table 1 to allow selection of the appropriate grade for each specific application. The engineering drawing or purchase order will normally specify the appropriate grade for each part, or in the case of a zoned drawing, the appropriate grade for each zone. When a specific acceptance grade is not specified, Grade 2 shall apply.