Re: [MW:6272] RE: 6259] G48 TESTING

Hi,

 

If you do not maintain the heat input between 1.25 - 1.5 KJ/mm for super duplex stainless steel welding, G48 Testing will fail.

Thanks & Regards
Muhammed Ibrahim PK

On 3 August 2010 07:24, pgoswami <pgoswami@quickclic.net> wrote:

Dear Ganesh

 

The failures in the pitting corrosion test could be due to numerous factors. From  your query it is not at all clear, how the coupon was welded,e.g base metal, filler, welding process, technique and  what were the testing conditions&  results.

 

Why don't you post the results or summary in the forum, then the correct analysis would be be possible, otherwise it would be like a chain game.

 

Thanks.

 

Pradip Goswami,P.Eng.

Welding & Metallurgical Engineer/Specialist

Ontario Power Generation Inc.

Email-pgoswami@sympatico.ca,

pgoswami@quickclic.net

 

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of GANESH GANESH
Sent: Monday, August 02, 2010 2:44 PM
To: materials-welding@googlegroups.com
Subject: [MW:6259] G48 TESTING

Dear Friends,

G48 Testing for Method C At 45 degree Celsius for 24 Hours  is requirement for super-duplex PQR (Weld Metal)

we have failed twice in running this testing, can some one suggest a possible solution for it.

Thanks,

With Regards,

M.S.Ganesh

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