Fw: [MW:20920] Welding of SS 304H to P-91

Please check hardness of weld zone as well as HAZ, then decide accordingly.

On Wednesday, May 28, 2014 2:53 PM, 'c sridhar' via Materials & Welding <materials-welding@googlegroups.com> wrote:

If the weld done is a fillet and the application temperature is less than 400 deg. C

no need to repair it. But, it is otherwise and if required use ER Ni Cr 3

 

 C Sridhar.

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From: kannayeram gnanapandithan <kgpandithan@gmail.com>
To: materials-welding <materials-welding@googlegroups.com>
Sent: Wednesday, 28 May 2014 10:15 AM
Subject: Re: [MW:20903] Welding of SS 304H to P-91

use only ERNiCr3

THANKS & BEST REGARDS

KG.PANDITHAN, AWS-CWI, CSWIP 3.1

CONSULTANT-WELDING & QUALITY

On Tue, May 27, 2014 at 4:42 PM, ARUNABH BERA <bonjoe23@gmail.com> 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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