This Guide complements the ABS requirements for "Hull and machinery steel forgings" and "Parts of internal combustion engines for which non-destructive tests are required", and contains general guidance for the nondestructive examination methods, the extent of examination and the minimum recommended quality levels to be complied with unless otherwise approved or specified. This document contains guidelines on "Surface Inspections" (Section 2-A7-2) by visual examination, magnetic particle testing and liquid penetrant testing and "Volumetric Inspection" (Section 2-A7-3) by ultrasonic testing.
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