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  • Users: vrkleo
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  1. vrkleo

    SSC Testing for Plate Material in Hydrocarbon Service

    Our client specification calls for SSC testing but doesn't specify the frequency. We have to propose a test frequency. However, would like to keep it to minimum considering the time required for testing. We are thinking of proposing "One test on highest thickness from each plate mill". Your...
  2. vrkleo

    Test method for ASSC

    Is there any established for ASSC (Amine Stress Corrosion Cracking)? We have a case where we need to establish the suitability of material in given condition for Amine Service. The test should help me proving the suitability of material for Amine service. I tried with many laboratories, but...
  3. vrkleo

    Repair as per NBIC - Replacing the pressure parts.

    Hi, We have a heat exchanger supplied by manufacturer "XYZ" in the year 2006. The equipment is installed outside USA/Canada. Now, we have a situation, where we need to replace the channer cover. This will be repair as per NBIC. However, we need to buy channel cover from different supplier. I...
  4. vrkleo

    Procedure for derating ASME Coded Vessel.

    Hi, A heat exchanger manufactured in 2006, but still not taken in to service. Code of construction is ASME Sec VIII Div 1 and the heat exchnager is code stamped. The equipment is installed outside USA/Canada. Now the heat exchanger need to be derated (Without any physical change to the vessel)...
  5. vrkleo

    Procedure for de-rating ASME coded vessel

    Hi, A heat exchanger manufactured in 2006, but still not taken in to service. Code of construction is ASME Sec VIII Div 1 and the heat exchnager is code stamped. Now the heat exchanger need to be derated (Without any physical change to the vessel) for lesser MAWP on channel side. Since NBIC...
  6. vrkleo

    Validity of ISO 9001 certification.

    The ISO 9001 certificate is issued for 3 years after which recertification has to be done. recently, I have come across ISO certificate issued for a period of ten years from the date of issue. I tried to get clarification from issuing body but could not succeed. Is it possible to issue ISO...
  7. vrkleo

    Ultrasonic testing of high thickness plate welds with CRA weld overlay

    Hi, We need to carry out ultrasonic testing of welds on 106 mm thick SA 516 Gr. 70 Plate with 6mm thick SS 316 weld overlay. What would be the effect of attenuation and how it can be taken care during Ultrasonic tesing? Carrying out UT before overlay is not an option as UT need to be done after...

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