These are Markes generated during Rolling in Mill, Either Roller
embeded with scale or the Mill Scale rolled along with the plate
during rolling. Acceptance for these type of discontinuites depends
upon your Inspector/Client Code is not descrbing for sucg kind of
discontinuities.
Regards
Israr Ahmed
On Sep 25, 3:08 pm, asad azmi <azmiasada...@gmail.com> wrote:
> Dear All,
>
> Greetings.
>
> A vessel is being fabricated as per ASME SEC VIII DIV 1.
>
> Surface imperfections( NOT Pittings) were observed on the surface of the
> shell of the Vessel. please refer attached photos.
>
> The shell material is SA 516 GR 70, 17 mm Thk.
>
> *Plaese inform me what will be the effect of these imperfections on shell in
> terms of Corrosion.*
>
> *Do these imperfections required Grinding OR can be left as it is.*
>
> Thanks & Regards
>
> Asad Azmi
>
> 2009201116683.jpg
> 549KViewDownload
>
> 2009201116679.jpg
> 1357KViewDownload
>
> 2009201116682.jpg
> 1568KViewDownload
--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding+unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
No comments:
Post a Comment