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Procetech
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Join Date: Jul 2012
Posts: 2

Max. Allowable Stress for SA-516, Gr.70

07/23/2012 3:27 AM

What is the Maximum Allowable Stress (S) for SA 516, Gr. 70 materials at 60 degree Centigrade?
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piping_engineer
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Join Date: Jan 2010
Posts: 52
Good Answers: 2
#1

Re: Max. Allowable Stress for SA-516, Gr.70

07/23/2012 4:00 AM

Plz consult AMSE B series i.e. b31.1, b31.3 etc

thanks
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Tornado
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#2

Re: Max. Allowable Stress for SA-516, Gr.70

07/23/2012 4:37 AM

17,500 psi (= 70,000/4).

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Procetech
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#3
In reply to #2

Re: Max. Allowable Stress for SA-516, Gr.70

07/25/2012 3:04 AM

Does it remain same at 30 Degree Celcius Temperature? If not, please mention the Maximum Alllowable Stress for SA 516 Gr. 70 at a Temperature of 30 degree Centigrade.
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Tornado
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#4

Re: Max. Allowable Stress for SA-516, Gr.70

07/25/2012 4:08 AM

IIRC, the value is good up to 650°F ≈ 343°C; but it would be best to check the Code.

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