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Questions regarding PWHT exemption requirements of A335 P92 and A234 WP92

Questions regarding PWHT exemption requirements of A335 P92 and A234 WP92

Questions regarding PWHT exemption requirements of A335 P92 and A234 WP92

(OP)
Hi Guys :)

I found Code Case 183-5 which is updated code case about P92.
I've been curious about(c)-(-c), which could be a PWHT exemption condition.

So, I found 127.4.9 of ASME B31.1-2022 and there is a expression "Permanent Nonstructural Attachments".

My questions are below.
1) What exactly does mean "Nonstructrual Attachments"?
2) It seems like a contradiction between Table 132.2-1 and para. 127.4.9.
What is correct to A335 P92 and A234 WP92?

Thank you.

RE: Questions regarding PWHT exemption requirements of A335 P92 and A234 WP92

Just hazarding a guess but I would think a Non Structural attachment is an attachmement not under load.

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