Monday, April 15, 2013

RE: [MW:17402] Re: 17357] Austinitic Stainless steel piping, corrosion environnement

Hi All,

 

SS316L is normally regarded as "marine grade" but it all depends on the water quality and temperatures the 316L is exposed to.  SS316L is only subject to stress corrosion cracking (SCC) in the order and above 60 deg celcuis, which would result in crevice and pitting when exposed to warm water before even reaching the SCC phase.

 

Agree that super duplex is the better option but it all depends on the application that need to be investigated carefully and budget available as super duplex is double or more the cost of 316L.

 

Regards,

 

Gerlof.

 

 

 

DISCLAIMER

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Clubb, Archie
Sent: Monday, April 15, 2013 10:15 AM
To: materials-welding@googlegroups.com
Subject: RE: [MW:17389] Re: 17357] Austinitic Stainless steel piping, corrosion environnement

 

Guys – Reading the mail trail and the responses:

 

SS 316L is unsuitable for an aggressive sea water application – Super Duplex is the option for undeaerated seawater and Duplex for Deaerated Seawater.

 

Archie

 

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Shomenath Bagchi
Sent: 14 April 2013 05:58
To:
materials-welding@googlegroups.com
Subject: Re: [MW:17373] Re: 17357] Austinitic Stainless steel piping, corrosion environnement

 

SS 316 L is used in marine environment and is better suited.

 

 


From: Zakaria ghrab <zakaria.ghrab@gmail.com>
To: pgoswami <
pgoswami@quickclic.net>
Cc: "
materials-welding@googlegroups.com" <materials-welding@googlegroups.com>
Sent: Saturday, April 13, 2013 12:42 PM
Subject: [MW:17368] Re: 17357] Austinitic Stainless steel piping, corrosion environnement

 

Dear sir,

   it will be for power plant, especially for facilities in front of water sea.

Regards.

 

2013/4/13 pgoswami <pgoswami@quickclic.net>

Where you want use these pipes?

 

Would it be for power plant application or for design and construction of any oil and gas plant ?

 

Please elaborate.

 

Thanks

 

Pradip Goswami,P.Eng.IWE

Welding & Metallurgical Specialist

Ontario, Canada.

 

 


From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Zakaria ghrab
Sent: Friday, April 12, 2013 12:23 PM
To:
materials-welding@googlegroups.com
Subject: [MW:17357] Austinitic Stainless steel piping, corrosion environnement


Dear experts,

  Need your help.

Need to confirm if we can use austinitic stainless steel piping (A312 304L & 316L grades)  for maritime environnent and any risk of corrosion.

To code/standard i can refer ?

Regards.

-----

زكرياء غراب
GHRAB Zakaria

Jorf Lasfar Units 5&6 Power Plant construction Project
EA2C/ SDEM Entreprises
Site QA/QC Manager
Mobile : Morocco (+212) 6 61 07 00 11
             Tunisia (+216) 96 635 805



Yesterday is the pass, tomorrow is the future; and today? Today is the present, the gift: Enjoy it!

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زكرياء غراب
GHRAB Zakaria

Jorf Lasfar Units 5&6 Power Plant construction Project
EA2C/ SDEM Entreprises
Site QA/QC Manager
Mobile : Morocco (+212) 6 61 07 00 11
             Tunisia (+216) 96 635 805



Yesterday is the pass, tomorrow is the future; and today? Today is the present, the gift: Enjoy it!

--
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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