<html><body bgcolor="#FFFFFF"><div>Hugh,</div><div>HY-80 used to maintain the standard dimensions of a DW2000 with 50% depth increase.</div><div>Vance<br><br>Sent from my iPhone</div><div><br>On Oct 22, 2013, at 8:13 PM, "Hugh Fulton" <<a href="mailto:hc.fulton@gmail.com">hc.fulton@gmail.com</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Vance, I am sure I saw recently from Phil that he was using HY 80 but I don’t know what on. I did a calc on mine and I got a lot deeper using the HY 80 specs over the Grade 70.<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hugh<o:p></o:p></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b><a href="mailto:vbra676539@aol.com">vbra676539@aol.com</a><br><b>Sent:</b> Wednesday, 23 October 2013 11:55 a.m.<br><b>To:</b> personal_submersibles@psubs.org<br><b>Subject:</b> Re: [PSUBS-MAILIST] Best Steel to use for Sub Hull<o:p></o:p></span></p></div><p class="MsoNormal"><o:p> </o:p></p><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">One other thing comes to mind on this. Phil uses A516Gr70 in the DW2000s. It occurs to me that if there was a demonstrable benefit to A537, he would have used taken advantage of it. And he didn't, apparently. Interesting. Don't know why, though. Maybe it has something to do with welding stainless inserts in and the heat treatment thereof. Just a guess.<o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Vance<o:p></o:p></span></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">-----Original Message-----<br>From: JimToddPsub <<a href="mailto:JimToddPsub@aol.com"><a href="mailto:JimToddPsub@aol.com">JimToddPsub@aol.com</a></a>><br>To: personal_submersibles <<a href="mailto:personal_submersibles@psubs.org"><a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a></a>><br>Sent: Tue, Oct 22, 2013 6:42 pm<br>Subject: Re: [PSUBS-MAILIST] Best Steel to use for Sub Hull<o:p></o:p></span></p><div id="AOLMsgPart_2_e50541e9-3e37-4557-92f4-3bc9db3d93ef"><div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Vance,</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">From Leeco Steel's website:</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">A537 plate steel is heat-treated. As a result, it displays greater yield and tensile strength than the more standard A516 grades. <strong><span style="font-family:"Arial","sans-serif"">A537 steel plate</span></strong> is ideal for both in boilers and pressure vessels, and is used in the oil, gas and petrochemical industry.<o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Nice to see it provides at least a brief comparison to A516. I'm sure there are more variables to consider including cost.</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Jim</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p></div><div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">In a message dated 10/22/2013 5:23:43 P.M. Central Daylight Time, <a href="mailto:vbra676539@aol.com"><a href="mailto:vbra676539@aol.com">vbra676539@aol.com</a></a> writes:<o:p></o:p></span></p></div><blockquote style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Jim,<o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">A537 was used extensively, as well, especially in the early boats that Perry built. Maybe you can figure it out. It seems that I recall being told that it was somewhat harder to weld but had better cold-water-under-pressure properties. Maybe Dr. Nuytten would weigh in on this, assuming he isn't up to his ass in DW3000 alligators this week (which I suspect he is).<o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Vance<o:p></o:p></span></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">-----Original Message-----<br>From: JimToddPsub <<a href="mailto:JimToddPsub@aol.com"><a href="mailto:JimToddPsub@aol.com">JimToddPsub@aol.com</a></a>><br>To: personal_submersibles <<a href="mailto:personal_submersibles@psubs.org"><a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a></a>><br>Sent: Tue, Oct 22, 2013 4:18 pm<br>Subject: Re: [PSUBS-MAILIST] Best Steel to use for Sub Hull<o:p></o:p></span></p><div id="AOLMsgPart_2_1e953958-33ea-46e0-9c0b-573a9a2a3c0c"><div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Greg,</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">I should have clarified that. It was a cut-and-paste from a web site. I'm more of a librarian in that I save info in an organized fashion when I come across it so I'll have it available later when the need arises. That was the case in this instance.</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Arial","sans-serif";color:black">Jim</span><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p></div><div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">In a message dated 10/22/2013 1:25:34 P.M. Central Daylight Time, <a href="mailto:jgcottrell2002@yahoo.com" title="mailto:jgcottrell2002@yahoo.com"><a href="mailto:jgcottrell2002@yahoo.com">jgcottrell2002@yahoo.com</a></a> writes:<o:p></o:p></span></p></div><blockquote style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt"><div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Arial","sans-serif";color:black">Thanks for the info, Jim. It's good to know there is some one in the group that is also in the steel industry.<o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Arial","sans-serif";color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Arial","sans-serif";color:black">Greg<o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p></div><div><div><div><p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black">From:</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"> "<a href="mailto:JimToddPsub@aol.com" title="mailto:JimToddPsub@aol.com"><a href="mailto:JimToddPsub@aol.com">JimToddPsub@aol.com</a></a>" <<a href="mailto:JimToddPsub@aol.com" title="mailto:JimToddPsub@aol.com"><a href="mailto:JimToddPsub@aol.com">JimToddPsub@aol.com</a></a>><br><b>To:</b> <a href="mailto:personal_submersibles@psubs.org" title="mailto:personal_submersibles@psubs.org"><a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a></a> <br><b>Sent:</b> Tuesday, October 22, 2013 12:59 PM<br><b>Subject:</b> Re: [PSUBS-MAILIST] Best Steel to use for Sub Hull</span><span style="color:black"><o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black"><o:p> </o:p></span></p><div id="yiv1461676266"><div><div><p class="MsoNormal" style="background:white"><span style="color:black">Maybe more detail than you really want to know, but here goes:<o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span class="yiv1461676266normal"><span style="color:black">ASTM A 516 or ASME SA 516 grade is one of the most popular steel grades in market . </span></span><span style="color:black"><br><br><span class="yiv1461676266normal">It is primarily intended for use in welded pressure vessels where notch toughness is important. It comes in four grades 55, 60, 65 & 70. At Oakley Steel we mainly sell 516 gr 60 and 516 gr 70. These grades cover a range of tensile strengths from 55 - 90 MPa and this versatility explains much of the specifications popularity. </span><br><br><span class="yiv1461676266normal">For plates thinner than 40mm we normally supply them as rolled. Plates supplied above 40mm thick are normalised. </span><br><br><span class="yiv1461676266normal">For A 516 grade 70, which is one of our most popular steels, the ASME standard composition is as follows (dependent on grade): </span><br><br><span class="yiv1461676266normal">Carbon 0.27 - 0.31% </span><br><span class="yiv1461676266normal">Manganese 0.79 - 1.3% </span><br><span class="yiv1461676266normal">Phosphorous 0.035% max </span><br><span class="yiv1461676266normal">Sulphur 0.035% max </span><br><span class="yiv1461676266normal">Silicon 0.13 - 0.45% </span><o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="color:black"> <o:p></o:p></span></p></div><div><div><p class="MsoNormal" style="background:white"><span style="color:black">In a message dated 10/22/2013 11:53:12 A.M. Central Daylight Time, <a href="mailto:jonw@psubs.org" title="mailto:jonw@psubs.org"><a href="mailto:jonw@psubs.org">jonw@psubs.org</a></a> writes:<o:p></o:p></span></p></div><blockquote style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal" style="background:white"><span style="color:black"><br>Generally, A516gr70 suffices for personal or recreational submarines.<br><br>Jon<br><br><br>On 10/22/2013 12:45 PM, Christopher Cave wrote:<o:p></o:p></span></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div id="yiv1461676266yqt07022"><div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Courier New";color:black">Hello, <o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Courier New";color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal"><span style="font-family:"Courier New";color:black">What is the best steel to use for a submarine hull. Someone mentioned marine steel such as 316,316L or 317. Any suggestions or a website I can review.<o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Courier New";color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Courier New";color:black">Thanks,<o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Courier New";color:black">Chris <o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><span style="font-family:"Courier New";color:black"> <o:p></o:p></span></p></div><div><p class="MsoNormal" style="background:white"><b><span style="font-size:13.5pt;font-family:"Courier New";color:black">Christopher Cave <br></span></b><span style="font-size:13.5pt;font-family:"Courier New";color:black"><br></span><b><i><u><span style="font-family:"Courier New";color:black;background:#FFBF80"><a href="mailto:christophercave@yahoo.com" title="mailto:christophercave@yahoo.com"><a href="mailto:christophercave@yahoo.com">christophercave@yahoo.com</a></a></span></u></i></b><span style="font-family:"Courier New";color:black"><o:p></o:p></span></p></div><div><div><div><p class="MsoNormal" style="background:white"><span style="color:black"> <o:p></o:p></span></p></div></div></div></div></div><p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><span style="color:black"><o:p> </o:p></span></p><pre style="background:white"><span style="color:black">_______________________________________________<o:p></o:p></span></pre><pre style="background:white"><span style="color:black">Personal_Submersibles mailing list<o:p></o:p></span></pre><pre style="background:white"><span style="color:black"><a href="mailto:Personal_Submersibles@psubs.org" title="mailto:Personal_Submersibles@psubs.org"><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></a><o:p></o:p></span></pre><pre style="background:white"><span style="color:black"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" title="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></a><o:p></o:p></span></pre></blockquote><p class="MsoNormal" style="background:white"><span style="color:black"><br><br><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org" title="mailto:Personal_Submersibles@psubs.org"><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank" title="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles"><a 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style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><br><br>_______________________________________________<br>Personal_Submersibles mailing list<br><a href="mailto:Personal_Submersibles@psubs.org"><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></a><br><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></a><o:p></o:p></span></p></blockquote></div></div><div id="AOLMsgPart_3_e50541e9-3e37-4557-92f4-3bc9db3d93ef"><pre style="background:white"><tt><span style="color:black">_______________________________________________<o:p></o:p></span></tt></pre><pre style="background:white"><tt><span style="color:black">Personal_Submersibles mailing list<o:p></o:p></span></tt></pre><pre style="background:white"><tt><span style="color:black"><a href="mailto:Personal_Submersibles@psubs.org"><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></a><o:p></o:p></span></tt></pre><pre style="background:white"><tt><span style="color:black"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank"><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></a><o:p></o:p></span></tt></pre></div></div></div><p class="MsoNormal"><o:p> </o:p></p><p>__________ Information from ESET NOD32 Antivirus, version of virus signature database 8951 (20131022) __________<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p>The message was checked by ESET NOD32 Antivirus.<o:p></o:p></p><p class="MsoNormal"><o:p> </o:p></p><p><a href="http://www.eset.com"><a href="http://www.eset.com">http://www.eset.com</a></a><o:p></o:p></p></div> <br><br>__________ Information from ESET NOD32 Antivirus, version of virus 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