Re: [MW:20935] Re: Welding of SS 304H to P-91

Do not use Inconel 625

THANKS & BEST REGARDS

KG.PANDITHAN, AWS-CWI, CSWIP 3.1

CONSULTANT-WELDING & QUALITY

On Thu, May 29, 2014 at 9:16 PM, Ramin Kondori <raminkondori@gmail.com> wrote:

ERNiCr3 or Inconel 625

Best Regards

Ramin Kondori

Sr. QA/QC engineer

Yadavaran Oilfield Project

SIPC (SINOPEC)

On Thu, May 29, 2014 at 7:46 AM, ARUNABH BERA <bonjoe23@gmail.com> wrote:

Thank you Pradip Sir

Thank you so much for your valuable advice. would definately bring in notic to the EIL Standard Development group. Kindly clarify one more doubt, as we know that P-91 is poor to weld corrosion, what could be the possible corrosion and failure mechanism if we use ER 309 and how usage of ER NiCr3 helps

Warm Regards

Arunabh 

On Tuesday, May 27, 2014 4:42:10 PM UTC+5:30, ARUNABH BERA wrote:

Dear All

Kindly clarify the doubts:

Sir in Ethylene Cracker Furnace at one of the Petrochemical Plant, we have a hook-up between P-91 and SS304H. Here we are using ER309 as the filler.

Is it acceptable, if not what can be the probable problems associated with the filler selection and what are the solutions 

Regards

Arunabh

Engineers India Limited

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