Michael Edelman wrote: > I hadn't heard the shark story before; fascinating. But not all alminums > are subject to corrosion in salt water. Alloys containing manganese, > magnesium, or chromium, or magnesium and silicon, like 6061, are > particularly resistent- it's the copper containing alloys like 2024 that > corrode easily. Alclad plates, which have a coating of pure aluminum, > are very resistent to corrosion. Alclad 6061 would be a good choice for > skegs. > For the record, Feathercraft uses anodized 6061-T6 aluminum tubing for its kayak frames and they have held up quite well against corrosion even on frames that are now approaching 20 years of use (the company started producing around 1981). ralph diaz -- ----------------------------------------------------------------------- Ralph Diaz . . . Folding Kayaker newsletter PO Box 0754, New York, NY 10024 Tel: 212-724-5069; E-mail: rdiaz_at_ix.netcom.com "Where's your sea kayak?"----"It's in the bag." ----------------------------------------------------------------------- *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced/forwarded outside PaddleWise without author's permission Submissions: PaddleWise_at_PaddleWise.net Subscriptions: PaddleWise-request_at_PaddleWise.net Website: http://www.paddlewise.net/ ***************************************************************************Received on Mon Oct 16 2000 - 05:53:53 PDT
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