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</o:shapelayout></xml><![endif]--></head><body lang=NL link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal><span style='mso-fareast-language:EN-US'>All the best for 2021!<o:p></o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>30 micron anodizing and/0r marine grade will prevent corrosion. Additional should direct contact with (stainless) steel be avoided.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'>BR, Emile<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='mso-fareast-language:EN-US'><o:p> </o:p></span></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-GB>Van:</span></b><span lang=EN-GB> Personal_Submersibles <personal_submersibles-bounces@psubs.org> <b>Namens </b>Brian Cox via Personal_Submersibles<br><b>Verzonden:</b> vrijdag 1 januari 2021 07:56<br><b>Aan:</b> Personal Submersibles General Discussion <personal_submersibles@psubs.org><br><b>Onderwerp:</b> Re: [PSUBS-MAILIST] Aluminum thru hulls<o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'>I've used aluminum with stainless and haven't noticed significant corrosion . The aluminum was anodized .<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><br><br>--- <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a> wrote:<br><br>From: "Sean T. Stevenson via Personal_Submersibles" <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><br>To: <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a><br>Subject: Re: [PSUBS-MAILIST] Aluminum thru hulls<br>Date: Fri, 01 Jan 2021 01:51:51 +0000<br><br>Dissimilar metal corrosion. Aluminum will form a galvanic cell with carbon steel. The only way to prevent this is to protect them with sacrificial metal anodes made of zinc or magnesium.<br><br>Sean<br><br>-------- Original Message --------<br>On Dec. 31, 2020, 17:40, Brian Cox via Personal_Submersibles < <a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<o:p></o:p></span></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'>Hi All, Happy New Year ! Can anyone tell me why I can't make all of my different thru hulls out of aluminum ? Fittings that will be potted and so forth for electrical .<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'>Thanks,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'>Brian<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'><o:p> </o:p></span></p></div></div></blockquote><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial",sans-serif'>_______________________________________________ Personal_Submersibles mailing list <a href="/eonapps/ft/wm/page/compose?send_to=Personal_Submersibles%40psubs.org">Personal_Submersibles@psubs.org</a> <a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a> <o:p></o:p></span></p></div></div></div></body></html>