[TheForge] metallurgy question

[ries]

Another thing to keep in mind is that metals, like many other things in high stress environments, have definite life spans.
A camera housing like this may just be good for x number of dives, at which point the US Navy retires it and puts a new one into service.
If the thermal cycling and resultant stresses are severe enough, you just have to consider them consumables...

ries


On May 27, 2011, at 6:27 PM, Jeff Wilson wrote:

That is correct. and  HY 120.
----- Original Message ----- 
From: "Andrew Vida" <osan at netlabs.net>
To: "terry l. ridder" <terrylr at blauedonau.com>; "Blacksmithing List 
Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Friday, May 27, 2011 6:19 PM
Subject: Re: [TheForge] metallurgy question


> 
> 
> terry l. ridder wrote:
> 
>> would anyone have suggestions for an alloy that would take the
>> mechanical stress and thermal cycling that the camera housing must
>> experience?
> 
> HY80 and HY100 are the steels used in nuclear submarine hulls.  "HY" ==
> "High Yield"
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Ries Niemi
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http://www.riesniemi.com/