Re: [MW:11173] pittings on surface of Shell

vessel is newly consturcted. there is no problem regarding thickness. corrosion allowance is 3 mm.

Regards

On Sat, May 28, 2011 at 7:36 AM, Suresh <bobsuresh24@gmail.com> wrote:

Hii,

 

You should mentioned below info requirement prior to take any decision .

 

1. How long period in service .

2.What is previous Corrosion allowance as Inspection was carried out .

3.you should mentioned in what area to be taken under serious consideration and how much  depth in major areas.

 

Thank you

 

Suresh

On Fri, May 27, 2011 at 12:44 PM, asad azmi <azmiasadayub@gmail.com> wrote:

Dear All,

 

Greetings.

 

Pittings (not more than 0.5 mm in depth) observed on the surface of a shell of a Vessel. pls find photos for your reference.

 

Shell material  is SA 36. thickness 8mm. service fluid - water

 

Code of construction is ASME SEC VIII DIV1

 

After grindings also pittings can be observed on the large surface of the shell.

 

Whether these pittings can be accepted as it is OR further grinding is required.

 

Please Suggest.

 

Thanks and Regards

 

Asad Azmi

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Thanks  & Best Regards,

Suresh

Mobile No: 91-92 92 905 905

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