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Penetrant inspection per ASTM E-1417

August 24, 2021

Q. Penetrant inspection per ASTM E1417 [affil link]. Is method B or D better for critical aerospace machine parts?

Tom Crescenzo
- Holbrook, New York

October 6, 2021

MY QUESTION IS:
Penetrant inspection per ASTM E1417 [affil link] method B or D, which is better for critical aerospace machine parts?

Tom Crescenzo [returning]
- Holbrook, New York

December 14, 2021

A. Hi Tom,

I am not an expert, but I can tell you that all critical engine components at my previous employer were tested with Type I, method D, sensitivity level 3 or 4 due to customer requirements. Hope that helps.

Eric Purrington
- Hildesheim, Germany

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