[PSUBS-MAILIST] K-250

[hank pronk via Personal_Submersibles]

Scott,
Weird, they must know your general location by your e mail?   they are expensive and prefer huge jobs, but still
Hank 


On Friday, June 13, 2014 12:04:46 PM, Daniel Lance via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
  


I wouldn't consider using anything less then  516 gr 70 when building a pressure hull . Also make sure you ask for the paper work to go with it with the proper heat numbers stamped on all the hull sections. I would also follow up by sending a coupon from each piece to an independent lab for verification .
Dan Lance 
On Jun 13, 2014 9:15 AM, "Daniel Lance" <lanceind at gmail.com> wrote:

36 " in diameter . The original K250 plans specified A36 . In the 1960s or 1970s that was acceptable when steel was domestically produced. Most A36 is imported today and of questionable quality .  
>On Jun 13, 2014 8:37 AM, "swaters via Personal_Submersibles" <personal_submersibles at psubs.org> wrote:
>
>The K-250 hull is 4 foot long and 30" OD out of 1/4" ASME 516 gr70 correct?
>>Thanks,
>>Scott Waters
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>>Sent from my U.S. Cellular© Smartphone 
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