Dye penetrant/Pitting indication

  • Dye Penetrant Inspection (PT) (DPI)

    Dye penetrant/Pitting indication

    Posted by leo on 27/11/2021 at 7:44 pm

    Hi,
    Is there any limit on pitting while inspecting (DPI) service drilling tools (especially on thread?). Indication is not strong bleeding one (just reddish one comparing with other developed area). If any one is ready to help me contact my mail Id

    caleb-charles replied 3 years ago 2 Members · 1 Reply
  • 1 Reply
  • Dye Penetrant Inspection (PT) (DPI)

    caleb-charles

    Member
    28/11/2021 at 4:13 pm

    Hi
    If the threaded connection in question is to be tested under DS1/NS2 spec then fluorescent MPI Inspection is the reccomended test method, under the same spec it also gives accept/ reject criteria for thread pitting.

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