Re: [MW:16688] MAGNETIC CHECK

David,

Please conduct PMI (Positive Material Identification) test on your SS materials and welds, particularly HAZ.

Gents,

I wish to know if PMI is acceptable to ASME now? How do I confirm it?

Also can some one please provide me details of all grades of stainless steels in use in industry?

Thanks,

T  Ghosh

On Mon, Jan 28, 2013 at 10:57 AM, Chan, David <David.Chan@exterran.com> wrote:

Hi Experts,

We have an issue where the Customer is going around on the a stainless steel (S316L) using a potable to check on the materials and welds

 

He has checked on some areas near the weldment where there is a force of attachment and the magnet is still sticking to the area

The magnet drops off when the magnet is moving away from the weldment

 

I request for a technical understanding to clarify with the customer

 

Appreciate your kind assistance  

 

Thank you

Best Regards

 

David Chan

 

Republic of Singapore

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