Re: [MW:30443] Re: Welding of S32750 super Duplex Steel

Hi,

Please find below the table for filler metal selection. Use E309MoL

Thanks& Regards,

 

(Karthik)

Karthikeyan.S

M: +66-892512282

E-mail : karthik6684@yahoo.com

On Friday, January 31, 2020, 02:18:03 PM GMT+7, VIshal Suthar <vishalsuthar3017@gmail.com> wrote:

Dear Sir,

Thank you very much for your valued reply.

Same is applicable for  SA 790 UNS S32750 to SA 240 Gr. 316L welding?

Please confirm.

On Thu, Jan 30, 2020 at 10:27 AM 'Amitabh Bhattacharya' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Resending ..

The recomended GTAW filler alloy is SFA 5.9 ER2594 & not ER2507 

Inconvenience is regretted. 

Thanks Amitabh

----- Forwarded Message -----

From: Amitabh Bhattacharya <amitabh_3@yahoo.com>

To: "materials-welding@googlegroups.com" <materials-welding@googlegroups.com>

Sent: Tuesday, January 28, 2020, 09:36:56 AM EST

Subject: Re: [MW:30429] Re: Welding of S32750 super Duplex Steel

Hello

SA790 UNS S32750 is the specification for Super Duplex Pipes & Tubes . 

Therfore use of ER2507 filler alloy  will help in Ferrite-Austenite balance . 

Weld metal producing PREN> 40  is requirement for Corrosion properties for such joints.. 

I would use the attached brochure for further studies & weld alloy selection.

Hope this helps 

Amitabh 

On Tuesday, January 28, 2020, 03:29:19 AM EST, Bien_ND / weldinginspections.net <bck055@gmail.com> wrote:

I recommend to select AWS A 5.9 ER2209 or ER309LMo.

Refer to API RP 582 Table A.3.

On Saturday, January 25, 2020 at 4:51:48 PM UTC+7, VIshaL wrote:

Dear Experts,

One of our project we have to weld material with GTAW process as per following.

1. SA 790 UNS S32750 to SA 780 UNS S32750

2. SA 790 UNS S32750 to SA 240 Gr. 316L

Request you to please confirm suitable filler wire Grade as well as any special care require during welding.

Thanks in advance.

VIshaL SUTHAR

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