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  • Users: izamil
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  1. izamil

    Clarification on test coupon requirements for Div 2 (Impact tested)

    We have identical joint configurations for long and circumferential seams. Both sides with SAW welding. The shell to head configuration joint is different from the long seam and circumferential seams. This joint, (Head to shell) is welded by SAW from the outside and SMAW/SAW from the inside...
  2. izamil

    heat exchanger shop + destructive test laboratory

    I don’t know if this is the right place for me to post this message in and I am sorry if it is not. But I want to set up a small heat exchanger shop within my pressure vessel shop and I want to also set up a destructive test laboratory. Anyone knows about what best to purchase and from whom? I...
  3. izamil

    linear accelerators

    We are building several pressure vessels to div 2 with wall thickness up to 5.5 inches thick. We are examining the weld seams by UT-TOFD method in accordance with one of those relevant code cases. We are facing tremendous bottleneck schedule type constraints due to the slow speed of such UT-TOFD...
  4. izamil

    ASME VIII DIV 1 - UG80 Interpretation

    I wonder if you could assist me with the code interpretation UG 80 relative to the out ýof roundness issue on vessels.ý Overview:ý I have built a horizontal pressure vessel with the following size:ý Inside diameter 4,877mm X 48,768mm tangent to tangent in length X ýý44 mm thickness. ý I...
  5. izamil

    Out of Roundness on Pressure Vessels After PWHT

    I am sorry if this is long, but please bare with me. We are currently facing a slight problem with one of the vessels that we have manufactured for a ýclient. The problem lurks in the results of heat treatment performed in a way where the vessel ýturned into an egg shaped object. ý For your...
  6. izamil

    Tolerance

    Fabrication of Carbon Steel Horizontal vessel Size of vessel:ý ý55m long X 4.8m ID X 44mm wall thickness.ý Material:ý SA516-70ý Code:ý ASME Sec VIII Div 1 (“U” Stamp)ý As per UG-80 (permissible out-of-roundness of cylindrical, conical, and ýspherical shells).ý The above vessel after...
  7. izamil

    rust formations on HDG stair treads

    I am encountering a small problem with hot dipped galvanized stair treads that have started to accumulate rust and in some locations corroded to the point of pitting. The hot dipped galvanized stair treads are bolted to spiral carbon steel stringers on a large diameter carbon steel tank in a...
  8. izamil

    Fittings tables

    Could anyone help me find a database or a table for flanges, pipes, elbows, tees, and the like? I need to use the data in a software program that I am compiling. Appreciate the assistance,
  9. izamil

    Japanese Steel Plate Quality

    Could anyone help me find the specification sheets of a Japanese steel grade called SM41B? Is there any website where one could just go and look up Unassigned ASME material? I would appreciate the assistance. Kind regards,
  10. izamil

    Out of Roundness for pressure vessels

    Thank yoy all for helping me in the past. I have yet another request for which I seek your help on. I know of someone who came to asking the following Quote: We have fabricated a vessel 40 meters long X 4.2 meters inside diameter with 16mm wall thickness. The vessel required PWHT due to...
  11. izamil

    Fixed & Sliding Saddles on Pressure Vessels

    We are currently designing a horizontal pressure vessel 20’ diameter X 191’ long. We are designing this vessel to rest on two saddle supports. A fixed, and a sliding saddle. On the sliding saddle side, we are contemplating if we are to allow for slotted holes for thermal expansion or should we...
  12. izamil

    Submerged Arc Welding of Nozzles

    I am looking for sumberged arc welding equipment that would weld a nozzle in a pressure vessel that is already rolled. Can anyone help me with this? Appreciate your assistance.
  13. izamil

    Shipping Corrosion Inhibitor

    Who knows of a reasonably priced nontoxic vapor phase volatile corrosion inhibitor?

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