[PSUBS-MAILIST] Duplex Stainless

[Cliff Redus via Personal_Submersibles]

Super Duplex stainless steel is used widely in the off shore oil and gas industry for corrosion in production tubulars particularly for high H2S levels.  It has high chromium and molybdenum content.  Excellent resistance to inorganic acids especially those containing chlorides.    I don't know of any submersible pressure hulls made of Super Duplex stainless steel.  It would be expensive.
Cliff
       From: via Personal_Submersibles <personal_submersibles at psubs.org>
 To: psubs <personal_submersibles at psubs.org> 
 Sent: Wednesday, April 29, 2015 3:14 PM
 Subject: [PSUBS-MAILIST] Duplex Stainless
   
Does anyone know anything about duplex stainless steel? Has anyone ever made a deep diving submarine out of it? Thanks,Scott Waters
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