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  1. UmbertoP

    Fugitive emission test / Leak testing

    Thank you very much gerhardl and reverman, this is very helpful!!! Bye
  2. UmbertoP

    Fugitive emission test / Leak testing

    Hello, please could anybody clarify me the difference (if any) between "Fugitive emission test" (i.e. as per ISO 15848, Shell 77) and "Leak Testing" (i.e. as per ASME V Art. 10, various appendixes)? It may be a stupid question, but I still haven't figured it out! Thank you very much in advance...
  3. UmbertoP

    AWS D1.1 Ultrasonic inspection - Attenuation Factor c

    Hi everybody, can anyone clarify me the meaning of the “Attenuation Factor c”: according to AWS, it "...shall be attained by subtracting 1 in. [25 mm] from the sound-path distance and multiplying the remainder by 2. This factor shall be rounded out to the nearest dB value..." But the sound...
  4. UmbertoP

    UT Calibration block for welds

    JR97, nde3rich, Thank you very much!
  5. UmbertoP

    UT Calibration block for welds

    Hi, In ASME Section V, 2007 edition, Art. 4 titles "UT examination for welds", while Art. 5 titles "UT examination for materials". Nonethless, Index at pages 630-631 (2007 edition) reports different titles for Art. 4 and 5; moreover, in Art. 5 index, pag. 631, it is stated "Basic calibration...

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