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brkmech
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Join Date: May 2009
Location: UAE
Posts: 80
Good Answers: 3

Allowable Stress for SA 516 Gr 70

08/11/2009 9:09 AM

Can any body tell me the what is the allowable stress for SA516 Gr 70 as per PD 5500 at 200 degree centigarde?

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atorroja
Associate

Join Date: Mar 2009
Posts: 46
#1

Re: Allowable Stress - SA 516 Gr 70

08/11/2009 9:22 AM

PG-23 STRESS VALUES FOR

CALCULATION FORMULAS

PG-23.1

The maximum allowable stress values in

Tables 1A and 1B of Section II, Part D, are the unit stresses

to be used in the formulas of this Section to calculate the

minimum required thickness or the maximum allowable

working pressure of the pressure part (see Appendix 1 of

Section II, Part D). ( FROM SECTION I)
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Abdel Halim Galala
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Engineering Fields - Piping Design Engineering - New Member Egypt - Member - Member since 02/18/2007

Join Date: Feb 2007
Location: Cairo, Egypt
Posts: 1733
Good Answers: 248
#2

Re: Allowable Stress for SA 516 Gr 70

08/12/2009 12:56 AM

S for SA-516 Grade 70 at 200 oC = 138 MPa = 138 000 KPa

See 4 pages of ASME Section II, Part D (Metric Units): ASME_Section_II_Part_D_-_Metric_2004_Edition

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brkmech
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Join Date: May 2009
Location: UAE
Posts: 80
Good Answers: 3
#3
In reply to #2

Re: Allowable Stress for SA 516 Gr 70

08/12/2009 9:00 AM

I agree that 138 MPa as per ASME. But How much allowable stress can be taken as per PD 5500

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Anonymous Poster
#4

Re: Allowable Stress for SA 516 Gr 70

08/12/2009 9:03 AM

My PVElite program lists 20305.3 psi.
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Anonymous Poster
#5

Re: Allowable Stress for SA 516 Gr 70

08/18/2009 2:49 AM

17500 psi
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Anonymous Poster
#6
In reply to #5

Re: Allowable Stress for SA 516 Gr 70

05/11/2010 3:20 AM

the value of SA 516 Gr.B is 17500 psi this information is in code? if yes then please specify the link or code name?
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Abdel Halim Galala (1); Anonymous Poster (3); atorroja (1); brkmech (1)

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