Re: [MW:5476] welding A335 P91 with Carbon steel

Dear Mauricio

 

As per my Knowledge best Filelr wire to use : ER 90S-B9 for GTAW

 

E9015-B9 FOR SMAW.

 

RGDS

M.M.REDDY
QA/QC INSPECTOR (MECHANICAL)
METHANOL PLANT
DAMIATTA - EGYPT
0020168194532

 

On Mon, Jun 7, 2010 at 12:31 AM, mauricio padilla <mauricio_padilla_f@yahoo.com> wrote:

Sirs,   I have a question about welding dissimilar material:   One Metal:          A335 P91 ----------------------------------        PNumber 15E Second Metal      MSS SP75 WPHY-70  ---------------        Snumber 1   Wall thickness                                                              36.53 mm   Which ones are the best  FILLER METAL for   GTAW?   Which ones are the best  FILLER METAL for   SMAW?     Is it necessary PWHT?   Please give a tips.   Best Regards   Mauricio

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