[PSUBS-MAILIST] Duplex Stainless

[Vance Bradley via Personal_Submersibles]

The new Lula was fabricated from some kind of trick stainless. 
Vance

Sent from my iPhone

> On Apr 29, 2015, at 5:28 PM, via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Ok. When I was in Roatan talking to Karl he talked about it several times. I had never heard of it, but sounded cool.
> Thanks,
> Scott Waters 
>  
> -------- Original Message --------
> Subject: Re: [PSUBS-MAILIST] Duplex Stainless
> From: Cliff Redus via Personal_Submersibles
> <personal_submersibles at psubs.org>
> Date: Wed, April 29, 2015 2:19 pm
> To: Personal Submersibles General Discussion
> <personal_submersibles at psubs.org>
> 
> 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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> 
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