[MW:3067] Re: Distortion limit for ASME Section 8 Vessels

Hi!Prabhakar,
Please refer ASME Sec Viii Div1 ,Edition 2007 Addenda 2008, uw-31 & uw-33 for tolerances.

Thanks& Regards,
Vipin

On Fri, Aug 28, 2009 at 11:12 AM, prabhakar s <prabhakars84@gmail.com> wrote:

Hi,

 

 

We have procured a Stainless Steel tank from one of our sub contrators. The thickness of the plate is 6mm. They have done hydrotest also. The tank is shifted to our Project site from the Sub contractors yard. We observed a distortion of 3mm near a Longitudinal seam (Both side of the weld seam).

 

I would like to know the allowable tolerance limit for distortion. Is 3mm acceptable? If it is so please give me the code reference.

 

We observed  a Grinding mark of 0.5 mm depth on 6mm thick Shell. what is the allowable limit for this? Is there any code reference?

 

Your early response in this regard will be highly appreciated.

 

 

Regards

Prabhakar. S

 

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