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# ASME BPVC.VIII.1- APPENDIX 13 - units mismatch

## ASME BPVC.VIII.1- APPENDIX 13 - units mismatch

(OP)
APPENDIX 13
units mismatch

13-7 paragraph for example.
Equation (1) unit of Sm = [P]*[h]/[t1]=psi*in/in=psi
Equation (3) unit of (Sb)N =([P][c]/[I1])[H^2]=(psi*in/in^4)*in^2=psi/in
as it is a stress it shall be in psi.
so what is wrong?

### RE: ASME BPVC.VIII.1- APPENDIX 13 - units mismatch

The second moment of area is per unit width. Refer to 13-4(k).

(OP)
Thanks BJI,

### RE: ASME BPVC.VIII.1- APPENDIX 13 - units mismatch

Hi abbver98,

I see your reply regarding Particular Material Appraisal (PMA) somewhere in 2022 for ASME to EN material

It really useful to us, appreciated that

I also see in that thread that you have posted the sample of PMA form in .pdf

Could you please share it again

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