RE: [MW:16861] Pitting Corrosion Resistance Failure in DSS

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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