RT For Thickness 32mm In PV-Elite

Just because we use a software to make design a little easier and quick, doesn't mean we don't have to know the code...

For the sake of others here , who likewise might have difficulty interpreting your dilemma ... I assume the question is this:

Table UCS-57 [ASME VIII, Division 1 (Subsection C)]says :
for material [P-NO.1 GR.1,2,3]
above 1-1/4" (or 32mm) full RT is required.

Working with PV-Elite 1-1/4" doesn't show any warning about UCS-57, but if you select the equivalent metric unit (32 mm) the program suggests full RT.

We are a vendor and providing full RT imposes great additional cost at our end.

I know the limitation for PV is 1.25*25.4=31.75mm ... but UCS-57 says that above 32mm (in the same row of 1 1/4") we can use spot RT without concern for the PV warning. (?) Is this True or False?

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You have NOT given a clear picture of exactly what the end product is , being dealt with here, and that will create lots of confusion, and conflicting answers. By the same token, you refer multiple times to that "reference thickness" per the Table, but you do NOT state clearly what YOUR material thickness IS.

Likewise, from that old "for what it's worth department", MY spontaneous-initial response would be:

If you are the vendor, ask your buyer/Client what THEIR requirements would entail.

Get the requirements in writing, price accordingly and do it right the first time.

Wishing you well ~