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  1. hawksy

    304H Pressure Vessel MDMT

    Thank you. Based on this my understanding is that per UHA51(d) No Impact Testing is required because my required MDMT is 20deg.F and the carbon content of 304 H is not to exceed 10%.
  2. hawksy

    304H Pressure Vessel MDMT

    I use PV-Elite to generate my code calculations section VII div 1 and it is not creating the MDMT summary for my vessel of 304H material. Is it not required by code to perform MDMT calcs. for 304H material?
  3. hawksy

    WRC 107 Thrust Load Design vs Operating Pressure

    Thanks for all of the input. This is a secondary stress and after a long discussion with the end user we have agreed to use the maximium operating pressure.
  4. hawksy

    WRC 107 Thrust Load Design vs Operating Pressure

    For calculating the thrust load for nozzles; is it required to use the design pressure or is it common to use the normal operating pressure? Thanks
  5. hawksy

    Metric Bolts for use with B16.5 & B16.47 flanges

    I have never used metric bolting in the past but, I currently have a customer that is requesting that we use ASME B16.5 flanges with metric bolting. They are not accepting a deviation. The customer is over seas and has stated that they have purchased systems similar to this before (from other...
  6. hawksy

    Metric Bolts for use with B16.5 & B16.47 flanges

    I have a project with requirements to use metric bolting. The project has piping (ASME B31.3) and pressure vessels (ASME BPVC Section VIII, Div I). Can I select metric bolting that has similar diameter or are calculations required?

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