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  • Users: LSUME
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  1. LSUME

    TEMA cover deflection

    Does anyone know why CodeCalc uses the BC dia as the load reaction diameter in lieu of gasket reaction dia G for TEMA cover deflection calc? thanks
  2. LSUME

    SA213 T9 tubes welded to SA387 Gr.91 plate

    I have what I believe to be a predicament. 516-70N tube sheet clad with 3/8" SA387 Gr.91 plate. The cladding is by a reputable manufacturer and all seems to be in order. The tubes for this TS are SA213 T9. Tempering temps for the tubes and cladding are 1250°F & 1350°F respectively. The tube to...
  3. LSUME

    Elastic-Plastic Analysis

    When are Elastic Plastic calculations applicable in the design of heat exchangers & vessels? thanks
  4. LSUME

    Axial expansion

    Can anyone tell me where I can find axial expansion in the analysis (Codecalc or PVElite) for a F&F expansion joint? I found the spring rate but no axial data. thanks
  5. LSUME

    SA387 Gr.11 Cl.2

    I am working on a PV/HE that has 3.25" thick SA387 Gr.11 Cl.2 tubesheet (TS) clad with SA240 304 on the tubeside only. The TS will be welded to a 1.125 thick SA516 70N shell. The TS was tempered at 1178 °F. ASME Sec VIII Div.1 requires a PWHT of 1200 °F. This will be a local PWHT at the shell -...

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