Stainless Steel Grades: Type 13-8, Type 15-5
Product Forms: Steel Cleanliness, Premium Aircraft-Quality Magnetic Particle Inspection Procedure
Scope: 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).
Application: This procedure has been used typically for the cleanliness evaluation of blooms, billets, tube rounds, stock for forging or flash welded rings, slabs, bars, sheet, plate, tubing, and extrusions used in fabricating highly stressed parts where very strict magnetic particle inspection standards are used in final inspection of such parts, but may be used for qualification of a heat, melt or lot of steel.
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