Re: [MW:13307] Hydro testing failure

 Dear Mr.Dick Overkleeft ,

 

Hope you doing well.

 

This is 316 L piping spool(2"),GTAW process followed & ER 316L filler wire used.For hydro testing low chloride water (Max 50 PPM) is approved in Aramco.In radiography fillm ,we did't found any defects.

 

Looking forward to hear an optimistic response.

 

Thanks & best regards,

Dinesh.

From: Dick Overkleeft <dick.overkleeft@gmail.com>
To: materials-welding@googlegroups.com
Sent: Sunday, December 25, 2011 3:11 PM
Subject: Re: [MW:13302] Hydro testing failure

Dear Mr. Shankar,

 

Could you please sent some more information?

Can you inform us what kind of stainless steel you applied.

What welding process you used, and which filler material.

Is it plate or tube welding.

What kind of water ( is there any chlorid in the water) did you use for hydrotesting and did you air test before hydrotesting.

What kind of defects did you see on the X-ray?

 

After this we might be able to give an answer on your question.

 

bets regards,

 

Dick Overkleeft EWE

Bureau Veritas

2011/12/24 Dinesh Ravi Shankar <dinesh_ravi2001@yahoo.com>

 

Dear friends,

 

During hydro testing of stainless steel, recently 2 tests leak occurred at welded joint area. I verified RT films, PMI reports...etc.Just I want to find root cause.

 

Please advise me that what proactive surveillance need to take of further hydro test failure & how it is happening..?

 

 

 

Thank you & Best Regards,

S. Dinesh Ravi Shankar.
Mechanical Inspector,
Saudi Aramco Project Inspection Division (SAPID),
Manifa Core Hydrocarbon Facilities Project.

Kingdom of Saudi Arabia.,

Mobile : +966 568059765,
Tel      : +966 3 379 2018.

 

  

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