FW: [MW:4593] Alloy 20 in DI Water service

Hi Satish,

 

If the deionized water treatment plant involves use of  any form of Sufuric Acid, then 20Cb-3 would be a very reliable material. This material is high alloyed austenitic stainless steel, and surpasses the corrosion resistances of conventional 300 grades(e.g 304/316/321/347…. etc) of  austenitic stainless steels. The corrosion resistances implies to general corrosion, resistance to intergranular corrosion and SCC.

 

Weldability of this alloy is good , but keeping a good control on weld cleanliness would ensure excellent quality of welds.

 

You may find the attached information quite useful.

 

Thanks

 

Pradip Goswami,P.Eng

Senior Engineer/Specialist(Welding-Metallurgy)

Machine Dynamics & Component Integrity Dept.

Engineering & Training Services Division

ONTARIO POWER GENERATION Inc.

34 Regional Road 55, Nanticoke, Ontario,N0A1L0

Tel:-(519) 587-2201, Ext 3107--in Nanticoke

         (416) 231-4111, Ext 5925--in Kipling,Toronto

Fax: (519) 587-6825

Email-pradip.goswami@opg.com.

 

From: sifuentes26@hotmail.com
To: materials-welding@googlegroups.com
Subject: RE: [MW:4580] Alloy 20 in DI Water service
Date: Thu, 18 Mar 2010 16:47:22 -0500

Alloy 20 is compatible to deionized water, check the attached guide on Water Deionized row.
I hope you find the proper information.
                                                Regards
                                                  JRS
 
> Date: Thu, 18 Mar 2010 12:29:12 +0530
> Subject: [MW:4578] Alloy 20 in DI Water service
> From: e1500603@gmail.com
> To: materials-welding@googlegroups.com
>
> Hi
>
> can Alloy 20 (3-4% Cu) be used in De Ionised Water ??
> anbody used this combination ?
>
> Thanks
>
> Satish.
>
> --
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