<html><head></head><body><p dir="ltr">You need to be careful working with titanium in order to avoid setting it on fire. Large pieces which are effective heat sinks are less of a problem, but machining chips can ignite readily and will burn vigorously because the combustion product (titanium oxide) is so stable.</p>
<p dir="ltr">You can flame cut, plasma cut, etc., but keep a class D extinguisher handy just in case.</p>
<p dir="ltr">Sean<br>
</p>
<br><br><div class="gmail_quote">On December 23, 2016 8:08:02 AM PST, 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_ym19_1_1482509120915_2866">Hi All,</div><div id="yui_3_16_0_ym19_1_1482509120915_2866">Looks like I can buy the old Sever submarine in Alabama. The sub is WAY to big to be practical, so I am am in need of advice on how to cut the titanium heads off the pressure hull. Does anyone have experience with cutting heavy titanium?</div><div id="yui_3_16_0_ym19_1_1482509120915_2866">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><br>
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