[MW:4272] MW 4259] Requirement of stabilized PWHT in the case of ER 347

Hi Hrishi,

 

Is NACE-RP-0170-2004-Protection of Austenitic S.S against polythoinic acid corrosion is referred as one of design specifications, for this job.

 

Appreciate your response.

 

Thanks.

 

Pradip Goswami, P.Eng

88,Garth Trails Crescent

Hamilton,Ontario, L9B2X1,Canada

Email-pgoswami@sympatico.ca

Email-pgoswami@quickclic.net

Tel-905-679-9677

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of K.M Hrishikesan
Sent: Tuesday, February 09, 2010 6:54 AM
To: materials-welding@googlegroups.com
Subject: [MW:4259] Requirement of stabilized PWHT in the case of ER 347

 

Hi friends

 

Is PWHT mandatory in the case of depositing stabilized weld metal using ER 347 for welding SA 312 TP 321 pipings?

If so what will be the cycle?

The typical application  is heater coil.

 

Regards

Hrishi

 

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