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#52746 - 01/31/13 04:02 AM Flange Stress analysis Using CAESAR II
Abdelkader Offline
Member

Registered: 06/28/10
Posts: 82
Loc: France
Hi,

After checking a flange leakage with Peq method using Caesar II I obtained a failure results and the client calculation spec is asking for flange stress calculation as per ASME VIII if there is a failure in the Peq results.
My question is:
The flange stress calculation Module in CAESAR II (CAESAR II => Analysis => Flange) is using ASME VIII or it's using another calculation code?

Regards,

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#52759 - 01/31/13 08:26 AM Re: Flange Stress analysis Using CAESAR II [Re: Abdelkader]
Richard Ay Offline
Member

Registered: 12/13/99
Posts: 6226
Loc: Houston, Texas, USA
ASME Section VIII Division 1 Appendix 2.
_________________________
Regards,
Richard Ay - Consultant

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#53056 - 02/20/13 12:01 AM Re: Flange Stress analysis Using CAESAR II [Re: Abdelkader]
sandip_vadher Offline
Member

Registered: 05/29/12
Posts: 22
Loc: India
Richard,

As per ASME Sec-VIII Div-2 (Edi.2010)para no.4.16.2.3

"Calculations shall be performed using dimensions of the flange in the corroded and uncorroded conditions"

With reference to this if i need to perform calculation with corroded flange condition means i have to manually subtract corrosion allowance.

Am i right?
or else any provision is there in flange module that it will sutract corrosion allowance automatically.

Regards,
Sandip

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#53059 - 02/20/13 01:47 AM Re: Flange Stress analysis Using CAESAR II [Re: Abdelkader]
danb Offline
Member

Registered: 04/22/05
Posts: 1453
Loc: ...
manually

Regards,
_________________________
Dan

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#53060 - 02/20/13 04:15 AM Re: Flange Stress analysis Using CAESAR II [Re: Abdelkader]
sandip_vadher Offline
Member

Registered: 05/29/12
Posts: 22
Loc: India
Thanks Dan,

I think, as we are following ASME sec-VIII for the flange leakage check.
This above stated statement also taken from same code, so the developer (COADE) need to take initiative to provide one option in flage leakage module.

Option:
Whether corrosion allowance applicable.
If, yes -----> (X) mm.

Then caesar perform flange leakage check accordingly.

Richard, I think we may update this in new revison.....

Regards,
Sandip

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