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  1. FlowNBE

    2015 Referenced Documents year

    I'm checking what is the current version of B31.1 referenced in Section 1-2015. Table A-360 lists it as 2012. Is that correct? Has the table been updated. Can I use the active year of B31.1 rather than the referenced? Thanks.
  2. FlowNBE

    ASTM B247 VS QQ-A-367

    Hi, This might be better posted in materials but... We use B247, 6061-T6 aluminum for pipe fittings for cryogenic systems. Currently we are looking at some round bar that is certified B247 chemistry only, being manufactured to AMS-QQ-A-367A. Chapter III of ASME B31.3 allows the use of...
  3. FlowNBE

    B31.3 Weld Transitions

    I'm designing a vessel to meet B31.3-2004 requirements. I have a piece of rolled plate welded to a piece of round bar; both 304 SS. The plate is .3125 thick and the wall of the round bar after boring will be about 1.74" thick. B31.1 references B16.25 (Fig. 1 page 2) for butt weld transitions...

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