Re: [MW:10875] acceptance standards for pittings for SA 516 GR 70 Plates

Dear Mr Ricardo,

 

is it acceptable if plate thickness is  within acceptable limit and piting can be left as it is.

 

is there any surface conditionong/smoothenening is required or not.

 

 

 

pls suggest and give code reference if possible.

 

thanks and regards

On Tue, Apr 26, 2011 at 4:05 PM, Dindo <dindodelacruz@gmail.com> wrote:

Hi Azmi

 

If it is for new construction, then you can check the minimum thickness, If it doesn't meet your PO or thickness requirement then you can reject the plates, the supplier should have fix the pitting on their side and done all NDE required.

 

Ricardo

On Tue, Apr 26, 2011 at 2:01 AM, Kathalingam Babu <kathalingam.qaqc@ppl.com.sg> wrote:

Hi Azmi,

 

CA-Corrosion Allowance

 

You may refer the material spec. to get the CA.

 

Thanks & Regards,

 

K. Babu

 

----- Original Message -----

From: asad azmi

To: materials-welding@googlegroups.com

Sent: Tuesday, April 26, 2011 1:17 PM

Subject: Re: [MW:10852] acceptance standards for pittings for SA 516 GR 70 Plates

Dear mr. Babu,

 

construction code is ASME SEC VIII DIV 1.

 

Pittings were observed  on the plates during material receiving inspection.

 

pls inform me what is CA.

 

thanks and regards

On Tue, Apr 26, 2011 at 4:10 AM, Kathalingam Babu <kathalingam.qaqc@ppl.com.sg> wrote:

Hi Azad,

 

You can consider the CA, as allowable depth of pitting allowed for the respective grade.

 

What is the construction code ?

 

Thanks & Regards,

 

K. Babu

----- Original Message -----

From: asad azmi

To: materials-welding@googlegroups.com

Sent: Monday, April 25, 2011 8:06 PM

Subject: [MW:10842] acceptance standards for pittings for SA 516 GR 70 Plates

Dear All,

 

Greetings.

 

what is the acceptance standard for pittings on SA 516 GR 70 Plate.

 

I mean what is the depth and diameter allowed.

 

Thanks and Regards

 

Asad Azmi

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