Joe Thomas
Mechanical
What are the allowable stress at 95 degree centigrade and the yield stress
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254 SMO piping material
- Thread starter Joe Thomas
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EdStainless
Materials
And it depends on product form and specification.
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P.E. Metallurgy, Plymouth Tube
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P.E. Metallurgy, Plymouth Tube
Link below for reference. Hope it helps.
Joe Thomas,
254SMO is a SANDVIK product with UNS number UNS S31254. . Once you know the UNS number look up Table 1A stress table in ASME Sec II part D. Looks like this material was added in 2015 code version. Allowable stresses for this material are based on product form and thickness. So, you will need to have all details before looking up the table. Your answers are in this table.
Ganga D. Deka, P. Eng
Canada
254SMO is a SANDVIK product with UNS number UNS S31254. . Once you know the UNS number look up Table 1A stress table in ASME Sec II part D. Looks like this material was added in 2015 code version. Allowable stresses for this material are based on product form and thickness. So, you will need to have all details before looking up the table. Your answers are in this table.
Ganga D. Deka, P. Eng
Canada
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- #6
Joe Thomas
Mechanical
I was looking for the allowable stress for pipe ASTM A312 UNS31254. I did not find in ASME 31.3 2002 edition.
Pipe A312 UNS No. S31254 exists in 2016 edition.
Please see in Table A-1 / A-1M at 20Cr–18Ni–6Mo
Please note that tensile values are not the same for thk. >3⁄16 and ≤3⁄16
Please consider Basic Quality Factor acc. to Table A-1B for the relevant pipe description.
Please see in Table A-1 / A-1M at 20Cr–18Ni–6Mo
Please note that tensile values are not the same for thk. >3⁄16 and ≤3⁄16
Please consider Basic Quality Factor acc. to Table A-1B for the relevant pipe description.
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