Wednesday, June 20, 2012

[MW:14619] Allowable temp range for SS316/316L

Dear friends...

Below is the query posted by my friend...

Regards..
Bagesh

On Jun 20, 2012 3:47 PM, "Narendra Singh" <ns.mech@gmail.com> wrote:

Good Morning Sir,

 

Hope things are fine at your end.

 

Sir I have one query on using flanged forged material  ASTM A182 Gr F316L (B16.5) for weld neck flange at temp (-)70 deg C., however B16.5 doesn't tabulated any equivalent pressure (Group-2.3 per B16.5)below -29 C. Is this material suitable for temperature -70 degree Centigrade while ASME B16.5 doesn't provide any allowable at this temperature.

 

Actually In one of my project PMS having temp range of -75 to 150 Deg C, and tabulated ASTM A182 Gr F316L (B16.5) for flanges. My piping has operating temperature of -70 Deg C and Design 85 Deg C.

I need to check flange leakage but unfortunately no allowable values given in B16.5.

 

I request your expert views on above.

 

 
--------------------------
Thanks & Regards
Narendra Singh
GSM: 9818696721
Mail:
ns.mech@gmail.com
 
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