ASTM A456/A456M-24

Detailinformationen

Bezeichnung: ASTM A456/A456M-24

Ausgabedatum: 01.05.2024

Seiten: 5

Land: Amerikanische technische Norm

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Annotation

This test method deals with the acceptance criteria for the magnetic particle examination of forged steel crankshafts and forgings having large main bearing journal or crankpin diameters. Covered here are three classes of forgings, which shall be evaluated under two areas of inspection, namely: major critical areas, and minor critical areas. During inspection, magnetic particle indications shall be classified as: surface indications, which include nonmetallic inclusions or stringers, open or twist cracks, flakes, or pipes; open or pinpoint indications; and non-open indications. Procedures for dimpling, depressing, inspection, and product marking are also mentioned.


Keywords:
acceptance criteria, barrel forged crankshaft, crankshaft forgings, magnetic particle examination, nondestructive examination, slab forged crankshaft,, ICS Number Code 77.140.85 (Iron and steel forgings)