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SAE AMS 2300M-2020
Steel Cleanliness, Premium Aircraft-Quality Magnetic Particle Inspection Procedure
This specification covers steel cleanliness requirements in inch/pound units for premium aircraft-quality ferromagnetic steels, including hardenable, corrosion-resistant steels, by magnetic particle inspection methods. This specification contains sampling, sample preparation, inspection procedures and cleanliness rating criteria (see 8.2).
Society of Automotive Engineers [sae]