Re: [MW:16913] NDT Method to detection internal corrosion at weld joints

Hi

Try PAUT CM or RVI if accessible to monitor root oxidation.

On 1 Mar 2013 12:22, "Sivaselvam Ponandrum" <sivaselvam@kpoc.com.my> wrote:

Dear all,

 

Please advise optimum method to detect corrosion internal corrosion at weld joint (for carbon steel, stainless steel SS 316L and duplex stainless steel – UNS 31803

 

1.            Is angle UT flaw detector is adequate measure internal corrosion with good probability of detection (POD)? Is angle UT flaw detector similar to UT Shear wave?

2.            I would expect a screening NDT method, if there is some evidence of internal corrosion from screening NDT method , then go for detail NDT to assess the extent of the internal corrosion. What are these NDT methods?

 

 

Regards

 

Sivaselvam

 

.

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