[MW:3404] Re: Out of roundness for piping

Yes, it shall not exceed 1.5% of OD as per Clause 10.2.1 of ASME SA
530 (specialised CS and AS tubes)
Also refer Clause 8.2.1 of ASME SA 450 (CS, AS, SS tubes) which will
give you 0.5mm for less than 1inch and 2% of the OD for above 1inch.
Please choose based on your requirement
Thanks
Senthil

On Oct 1, 3:22 pm, Adi <adinr...@gmail.com> wrote:
> Shall not be exceed 1.5% of the spcified outside Dia
> see General requirement specification for CS PIPEs, ASME SA530 clause
> 10
> permissible variation in outside diameter
>
> Adi
>
> On Oct 1, 11:44 am, tong tong <tong...@gmail.com> wrote:
>
>
>
> > Dear All
> > Regarding above mentioned subject, i would like to know the permissible
> > limit of out of roundness for piping(straight pipe) because one of  our new
> > spool found dented during fabrication. For vessel it clearly stated on ASME
> > VIII div. 1 UG-80 but for piping B31.3 not. Only clause 332.2.1 bend
> > flattening i found and guess related. Can i use 332.2.1 or UG-80 as a
> > acceptance criteria. Please help me my friends. Your kind help is highly
> > appreciated
> > Regards
> > Tong2je- Hide quoted text -
>
> - Show quoted text -

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