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Max Wall Temperature Stainless Steel

max wall temperature api521 temperature firecase fire

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#1 ChristianColombini


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Posted 23 May 2024 - 02:50 AM

Hi Guys,


i am struggling understanding which value of Tw (max wall temeprature) i should use for a stainless steel vessel (i'm considering two opportunities: SS304 and SS316) according API521 firecase safety valve sizing. Can you hekp me with this doubt?

Thank you in advance


#2 latexman


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Posted 23 May 2024 - 06:40 AM

A fire is a very rare event.  I would not let the fire sizing case determine a choice between 304 and 316 SS metallurgy.  If 304 SS meets your process needs, use it.

#3 breizh


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Posted 23 May 2024 - 07:58 AM


A google search :




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