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ASME B16.5 press-temp ratings
2

ASME B16.5 press-temp ratings

ASME B16.5 press-temp ratings

(OP)
In Annex D of the subect spec there is an equation pt=S1/8750 (Pr) ≤pc. Can anybody tell me what the 8750 represents ?

RE: ASME B16.5 press-temp ratings

yield strength of 35000 psi / 4

Learn from the mistakes of others. You don't have time to make them all yourself.

RE: ASME B16.5 press-temp ratings

(OP)
Thank you for response. Yield strength of which material ?

RE: ASME B16.5 press-temp ratings

Basically common pipe low carbon steels
ASTM A105, Grade B
ASTM A234 WPB
API 5L Gr B

Grade A is 30,000 psi

Learn from the mistakes of others. You don't have time to make them all yourself.

RE: ASME B16.5 press-temp ratings

(OP)
Thanks again. Why divide by 4 ?

RE: ASME B16.5 press-temp ratings

safety factor. 35 ksi is yield stress.

Learn from the mistakes of others. You don't have time to make them all yourself.

RE: ASME B16.5 press-temp ratings

(OP)
You have been helpful, thanks. Do you have any documentation regarding your answers you can show me biginch?

RE: ASME B16.5 press-temp ratings

2
Read Blogget's, "Design of Welded Structures"
Good for bolt loads, plate bending, prying actions and connection and base plate designs.

Learn from the mistakes of others. You don't have time to make them all yourself.

RE: ASME B16.5 press-temp ratings

(OP)
Excellent biginch. Thank you very much. You have been extremely helpful.

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