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AB53Mech I assume that mention MDMT of Pipe and Dished head is reduced MDMT. For Dish you need to use SA516 GR70 Plate in Normalized condition.It is falling in Curve D of UCS-66 and allow MDMT up to -21°F for Nominal Thickness 1.25". same will exempt form impact test. For Pipe you need to go...

Hi Zdji1969 For thickness reduction you can check Material grade SA 387 Cl2 grades. regards mechyp

Hi Tony As per my interpretation OD of Coupling shall be as per ASME B16.11 and only thickness shall use form ASME B36.10 of respected Pipe size and SCH. mechyp

Dear Mike/Aminati As per UG-11(e) Second Sentence. " In lieu of the requirement in UG-11(d)(4), the Certificate holder may subcontract to an individual organization not holding an ASME certificate standard pressure parts that are fabricated to a standard othre than an ASME product standard...

ok I under stood thanks for reply metengr

but it is not listed in Table UHA-44.

Dear Experts I am working on one enquiry of Heat-Exchanger that have Thin or Thick Expansion Joint. All Heat-Exchanger Required to be manufactured under ASME Section Div -1 with U Stamp. we have to sub-contract Expansion Joint as we have no facility to manufacture it. since it will be used in...

metengr In which clause of Section VIII, Div 1. that code case was incorporated? mechyp

metengr thax for reply I know that SS316 post forming strain limit may be considers for its relevant grade such as SS316Ti but how can I convey to my client. any where in ASME Section VIII DIV-I or II clearly expressed as u mention in your reply or any interpretation for that. thanks mechyp

Hi my Elliptical Dished head material of contraction is SA 240 GR 316Ti same Grade is not mention in Table UHA-44. Requirement of post forming Heat treatment for material grade which is not listed Table UHA-44 where I need to refer for this ? any one have official interpretation of ASME ...

RpRAd In section II part D Recommendations given for not to use higherstess values for gasketed joint and other application where slight amounts of distortion can cause leakage. Read general note G5. Correct me if I am wrong Thanks Yp3135

my interpretation for second question this opening can not located in long seam ( category A) joint. that's why code did not mention category A in UW-14 (b). i am not sure about this interpretation. any other clause for this yogesh

ASME SEC VIII DIV-1 UW-14 As per per UW-14(a) any opining that satisfy reinforcing calculation (UG-37&UG-39) that can located in any weld joint( long seam and Circumferential seam) : Que: In this case is Any additional NDE Required or not ? UW-14(b) openings satisfying UG-36(c)(3) may...

if ur HE as per ASME VIII-I See UHX-11 ltx the expanded tube length in tube sheet fig UHX 11.1 yogesh

kelly as per EN 13445-5 Pt= 1.25 x pd x fa/fd pd= design pressure is the maximum allowable pressure. I think it same as in ASME (fa/fd) is LSR my question is any other loading that we have to consider in this formula (Pt= 1.25 x pd x fa/fd) thanks for reply yogesh

my vessels is ASME + PED

by mistake I posted in piping grope. that's why re post in boiler pressure grope. yogesh

I am trying to calculate hydro test for PED work. Material are used for construction SA 350 Lf 2 CL 1,SA 420 WPL6, SA 516 GR 70 Design Tmp: 365 C Design Pre: 7.5 bar (MAWP) Per Annex 1 7.4 hydro test pressure is no less than -1.43 x MAP (this is i understood) but -1.25 x MAP x LSR (Lowest...

I am trying to calculate hydro test for PED work. Material are used for construction SA 350 Lf 2 CL 1,SA 420 WPL6, SA 516 GR 70 Design Tmp: 365 C Design Pre: 7.5 bar (MAWP) Per Annex 1 7.4 hydro is no less than -1.43 x MAP (this is i understood) but -1.25 x MAP x LSR (Lowest stress ratio)-...

please find sketch of joint configuration yogeshhttp://files.engineering.com/getfile.aspx?folder=e3384cdc-13ea-4724-b87e-53a7aa0edaac&file=Joint_Configuration.png