<html><head></head><body><p dir="ltr">Hank, do you have access to a 64 bit Windows PC? The shell calculator I wrote for such machines is freely available on the PSubs site.</p>
<p dir="ltr">Otherwise, if I understand you correctly, you want to find the maximum allowable working depth of a 48" ID, 2" thick sphere of A516 gr 70 steel, and then, working off the same ID, find the thicknesses of HY80 and HY100 respectively which give you that same depth?</p>
<p dir="ltr">Sean<br>
</p>
<br><br><div class="gmail_quote">On February 18, 2016 4:31:44 PM MST, hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_1_1455838113880_2439">Hi Sean,</div><div id="yui_3_16_0_1_1455838113880_2439">Just heard from EE and they might be able to form HY 80 or HY100 steel depending on thickness. Can you tell me how thick HY80 and Hy100 need to be to compare to 2 inch thick 516-70 in a 48ID sphere.</div><div id="yui_3_16_0_1_1455838113880_2439">Thanks'</div><div id="yui_3_16_0_1_1455838113880_2439">Hank</div></div><p style="margin-top: 2.5em; margin-bottom: 1em; border-bottom: 1px solid #000"></p><pre class="k9mail"><hr /><br />Personal_Submersibles mailing list<br />Personal_Submersibles@psubs.org<br /><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br /></pre></blockquote></div></body></html>