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  • Users: Felisha007
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  1. Felisha007

    Welding API 5L X 60

    Good day all, a little help is required in resolving a problem. According to asme ix - Group numbers is a supplementary variable. To my understanding its a requirement for CVN. However - our WPS Procedure A 106 - have P1 Group 1 which uses GTAW ER70S-6 and E 7018 H4R and no CVN was a used to...
  2. Felisha007

    QTC and TC - API 6A

    Good day all, Can some one please explain the difference between the TC and QTC. I know that TC is required for PSL 1 materials and PSL 2- 4, it required QTC for each heat # or batch. Is the difference size, or heat treatment or thickness??? Regards
  3. Felisha007

    PSL Material

    Can someone please explain the difference between PSL 1 and PSL 2 ? I have trouble understanding this. Regards Felisha
  4. Felisha007

    API 5CT - C110 Material

    I am currently studying for Drilling Tool Surveillance Inspector Exams ( new at this aspect) and I have come across a problem that has me puzzled. I have read by a manufacturer CONTINENTAL ALLOY stated that[/b] C110 is an API controlled yield strength grade generally for use in deeper sour...

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