TBA - NAVSEA TECHNICAL PUBLICATION

S9074-AR-GIB-010/278

12. CASTING INSPECTION

12.1 General. This section contains the minimum requirements for inspecting castings and repairing defects to the extent necessary to meet the applicable acceptance standard. 12.1.1 Castings purchased or manufactured by the contractor shall be in accordance with the specifications and standards specified herein, except NDT requirements shall be as specified herein. If no specifications or standards are referenced. drawings for castings which are subject to stress in service shall include the following information:

(a) (b) (c) (d) (e) (f) (g) (h)

Chemical amposition of material. Required mechanical properties. Melting process to be used Heat treatment. including aging or stabilizing treatments. Cleaning lethods to be wed. Pressure or proof test. if required. RT. MT. or PT Inspection requirements. Identification markings.

12.1.1 Definitions

12.2.1 Pressure containinq. For purposes of section 12. pressure containing means a casting area which prevents contained fluid from escaping. 12.2.2 Sub-category. Sub-category designation (for example: A. Al. B. B1. C. C1. and so forth as shawn .in tables XIII, XIV. and XV for category 1. 2. and 3 castings) are assigned to simplify reference to the various application rules specifying which castlngs are to be inspected by which inspection rules.

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