Dear jigensh ,
i appologies i understood it is carbon steel to duplex joint.
Is this powder in slurry form ? Any chloride content ?
Check app. B for of API 938 C for ss to duplex welding requirement and prove your case.
regards,
jignesh rana.
On Tue, Oct 8, 2013 at 5:31 PM, Jignesh Desai <jignesh.desai.met@gmail.com> wrote:
In addition to below mail, Please also consider below details.
Process Service : Polyethylene Powder
Design Temp.: 130° C
Design Pressure: 38 Kg/Cm2
Regds/Jignesh
---------- Forwarded message ----------
From: Jignesh Desai <jignesh.desai.met@gmail.com>
Date: Tue, Oct 8, 2013 at 11:02 AM
Subject: Welding of Duplex SS (A 790 Grade S31803) P. No. - 10H to SS 304, P No. 8
To: materials-welding@googlegroups.com
We have carried out PQR (ASME Sec IX) for Welding of Duplex SS (A 790 Grade S31803) P. No. - 10H to SS 304, P No. 8 by GTAW filler wire ER 309L. This filler wire is adopted as per API 582 (Table A-3) and also after client approval on PWPS.
Now client is quoting that they have some bitter experience with ER 309L and insisting us to use GTAW filler wire ER 2209.Does any one have any past experience / literature for Welding of Duplex SS (A 790 Grade S31803) P. No. - 10H to SS 304, P No. 8 by GTAW filler wire ER 309LYour reply may possibly strengthen our case.
Regds/Jignesh--
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