Re: [MW:16866] Pitting Corrosion Resistance Failure in DSS

Dear Brother...

For internal corrosion monitoring the best NDE method is Ultrasonic
Testing (using by angle probe)...

On 2/25/13, siddig Abdelaziz <siddig.spphc@hotmail.com> wrote:
>
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> From: sivaselvam@kpoc.com.my
> To: materials-welding@googlegroups.com
> Subject: RE: [MW:16861] Pitting Corrosion Resistance Failure in DSS
> Date: Mon, 25 Feb 2013 06:46:35 +0000
>
>
>
>
>
> Dear Parag,
>
> Sorry for the misunderstanding.
>
> The corrosion I am referring is the internal corrosion at weld joint, what
> NDT technique is suitable for this?
>
> Regards
>
> Siva
>
>
>
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of paragpan@gmail.com
> Sent: Sunday, February 24, 2013 5:52 PM
> To: materials-welding@googlegroups.com
> Subject: Re: [MW:16859] Pitting Corrosion Resistance Failure in DSS
>
> Dear Siva,
>
> Screening refer to the visual examination of the weld joint for any
> corrosion product like rust, scale present on the external surface.
>
> Each NDE technique has its own limitations in determining the corrosion on
> the external surface of the weld ment (weld metal,base metal and HAZ).
>
> I can suggest you to pl. go through API RP 571 for your particular type of
> corrosion and methods to check it.
>
> Regards,
>
> PARAG
> Sent from my HTC
>
> ----- Reply message -----
> From: "Sivaselvam Ponandrum" <sivaselvam@kpoc.com.my>
> To: "materials-welding@googlegroups.com"
> <materials-welding@googlegroups.com>
> Subject: [MW:16853] Pitting Corrosion Resistance Failure in DSS
> Date: Sun, Feb 24, 2013 1:53 PM
>
>
> Dear Paragpan,
>
> What other NDT technique can be used to detect corrosion on the weld?
>
> Is there a screening NDT technique (what NDT technique is this?) prior
> doing detail NDT?
>
>
> Regards
>
> Siva
>
>
>
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of paragpan@gmail.com
> Sent: Saturday, February 23, 2013 7:03 PM
> To: materials-welding@googlegroups.com
> Subject: Re: [MW:16847] Pitting Corrosion Resistance Failure in DSS
>
> Dear Siva,
>
> UT can detect the defects like crack, lack of fusion, LOP etc. in the
> weldment but not the
> Corrosion.
>
> Regards,
> PARAG
> Sent from my HTC
>
> ----- Reply message -----
> From: "Sivaselvam Ponandrum" <sivaselvam@kpoc.com.my>
> To: "materials-welding@googlegroups.com"
> <materials-welding@googlegroups.com>
> Subject: [MW:16841] Pitting Corrosion Resistance Failure in DSS
> Date: Fri, Feb 22, 2013 4:17 PM
>
>
> Dear Team,
>
> Can UT Shear Wave detect corrosion at weld joint? Would this be a good
> screening tool?
>
>
> Regards
>
> Siva
>
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