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Why are there "..." gaps in the ASME Section II allowable stresses

Why are there "..." gaps in the ASME Section II allowable stresses

Why are there "..." gaps in the ASME Section II allowable stresses

(OP)
Does anyone know why "..." is sometimes shown in the ASME Section II, Part D, Subpart 1, Table 1A allowable stress table?

As an example, SA-479 316 has a "..." shown for the allowable stress at 150 F and 250 F.  I am specifically interested in the 150 F point; however, the allowable stress is the same up to 300 F, so I just record 200 F on the calculations because it is the closest to my design temperature.  If the allowable stress is the same up to 300 F,  why did they include "..." gaps?

Are there any restrictions on interpolating allowable stresses between temperatures?
 

RE: Why are there "..." gaps in the ASME Section II allowable stresses

It stands for ditto, meaning the number repeats. Yes, you can interpolate for allowable stresses in between service temperatures.

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