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  • Users: thanjerm
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  1. thanjerm

    Determination of PWHT Holding time for ASME III NB2211

    Dear All To evaluate whether or not the total time at temperature applied during the actual pwht exceed the simulated pwht time by more than 25%, as required by ASME III NB2211. We start holding time when the coldest thermocouple reaches holding temperature and stops when the coldest...
  2. thanjerm

    ASME NB 4221.1

    The equation in NB-4221.1 regarding max difference in cross sectional diameters for vessels says that use the minimum of (D+50)/200[(D+1 250)/200] or D/100. Now this equation is confusing in the sense that (a)it looks like there's set of parenthesis missing, It looks like it should read...
  3. thanjerm

    ASME III Design Spec and Material Manufacture

    Does ASME III require the design specification to be certified first before material manufacture can start. or is required before fabrication of the vessel by the N-certificate holder ?
  4. thanjerm

    Plastic deformantion under ASME level C service conditions

    Can the service loadings for which ASME Level C service limits is designated cause permanent plastic deformations?
  5. thanjerm

    ASMEIII Vs ASME VIII

    What is the difference between the approach of ASME III and that of ASME VIII,which one is more conservative?
  6. thanjerm

    Dissimilar metal weld cracking

    What measueres can I take to prevent,detect and remedy hot cracking in a dissimillar metal weld of 304 austenetic stainless steel to SA508 ferritic steel.

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