Temperature rating of forged flanges
Temperature rating of forged flanges
(OP)
I am designing a part, in accordance with ASME B31.1, for 900 psig & 900°F, in 316 stainless. I wish to use a 3/4" forged flange (A 182). Table 2-2.3 in ASME 16.5, for 316-L grade, only goes up to 850°F, even though Table A-3 in B31.1 appears to allow this material to be used at higher temperatures. Table 2-2.2 would allow me to use 316 straight grade for temperatures in excess of 850°F, however all forged flanges these days are dual rated.
Can I use a dual rated flange and take advantage of the higher temperatures in table 2-2.2? Should I make the flange out of A240 plate and go through the flange calculations?
Can I use a dual rated flange and take advantage of the higher temperatures in table 2-2.2? Should I make the flange out of A240 plate and go through the flange calculations?





RE: Temperature rating of forged flanges
creep strength.
RE: Temperature rating of forged flanges
Aaron Tanzer
www.lehightesting.com
RE: Temperature rating of forged flanges
RE: Temperature rating of forged flanges
Aaron Tanzer
www.lehightesting.com
RE: Temperature rating of forged flanges
RE: Temperature rating of forged flanges
Aaron Tanzer
www.lehightesting.com
RE: Temperature rating of forged flanges