For those of you noticing that your stainless steel knives are rusting, no metal will be completely free of rust. Some just rust less quickly than others. Also, if you are using it in and around salt water, it is extremely important to rinse it in fresh water. All stainless steels are corroded by high levels of chlorides. The levels in sea water are extremely high - on the order of 10,000 parts per million or 1 %. This will do in your stainless steel knife very quickly. Just rinse it and dry it and you should be ok. Steve Holtzman *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************
How about a few suggestions on how to fix a rust covered knife? I'm almost certain that mine's beyond hope. Greg Steve Holtzman wrote: > For those of you noticing that your stainless steel knives are rusting, no > metal will be completely free of rust. Some just rust less quickly than > others. > > Also, if you are using it in and around salt water, it is extremely > important to rinse it in fresh water. All stainless steels are corroded by > high levels of chlorides. The levels in sea water are extremely high - on > the order of 10,000 parts per million or 1 %. This will do in your stainless > steel knife very quickly. Just rinse it and dry it and you should be ok. > > Steve Holtzman > > *************************************************************************** > PaddleWise Paddling Mailing List - All postings copyright the author and not > to be reproduced outside PaddleWise without author's permission > Submissions: paddlewise_at_lists.intelenet.net > Subscriptions: paddlewise-request_at_lists.intelenet.net > Website: http://www.paddlewise.net/ > *************************************************************************** *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************
Greg, I wish there was an easy fix but unfortunately there isn't. The best that I could recommend is that you remove as much of the rust as possible. Try Naval Jelly or just wire brushing. The problem is that if the rust was extensive, the metal surface will be pitted. Each of these pits will set up a corrosion reaction and continue to rust faster than the smooth stainless steel would. The only good side, is that it will rust slower than if the rust was still present. The NACE (National Association of Corrosion Engineers) has identified over 2,000 different types of corrosion. One of them is referred to as underdeposit corrosion. That is what will occur if the rust is left in place. The high chloride levels of the salt water will only cause intergranular stress cracks between the grains of the metal structure. Best bet is to prevent the rust as much as possible in the first place. Steve ----- Original Message ----- From: Greg Hollingsworth To: Steve Holtzman Cc: PaddleWise_at_lists.intelenet.net Sent: Wednesday, October 20, 1999 6:43 PM Subject: Re: [Paddlewise] Rusting Knives How about a few suggestions on how to fix a rust covered knife? I'm almost certain that mine's beyond hope. Greg Steve Holtzman wrote: > For those of you noticing that your stainless steel knives are rusting, no > metal will be completely free of rust. Some just rust less quickly than > others. > > Also, if you are using it in and around salt water, it is extremely > important to rinse it in fresh water. All stainless steels are corroded by > high levels of chlorides. The levels in sea water are extremely high - on > the order of 10,000 parts per million or 1 %. This will do in your stainless > steel knife very quickly. Just rinse it and dry it and you should be ok. > > Steve Holtzman > > *************************************************************************** > PaddleWise Paddling Mailing List - All postings copyright the author and not > to be reproduced outside PaddleWise without author's permission > Submissions: paddlewise_at_lists.intelenet.net > Subscriptions: paddlewise-request_at_lists.intelenet.net > Website: http://www.paddlewise.net/ > *************************************************************************** *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************
I have not tried this but it may work or help clean a rusty knife. Spray it with oven cleaner. I have used oven cleaner to clean dirty circular saw blades. I will check the condition of my knife this week and if it needs cleaning, try this approach and reports back. To reduce the possibility of my shorty "falling" out of its sheath, I use a plastic binding one might use to hold wires together. It is strong enough to hold the knife if it exist the sheath by itself but weak enough to quickly break when I pull out the knife. sid *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************
Greg wrote; >How about a few suggestions on how to fix a rust covered knife? I'm almost >certain that mine's beyond hope. > What I do to clean my knife is ; Scrape any thick rust off with gentle scraping using another knife. After bulk of rust is removed I then use 000 steel wool pads. This removes the balance of rust well, good for getting into those small pits. Be sure to rinse your knife extremely well. You do not want to leave small particles of steel wool on your knife to rust. Lube it afterwards to hinder the rust returning and it will return. Arthur *************************************************************************** PaddleWise Paddling Mailing List - All postings copyright the author and not to be reproduced outside PaddleWise without author's permission Submissions: paddlewise_at_lists.intelenet.net Subscriptions: paddlewise-request_at_lists.intelenet.net Website: http://www.paddlewise.net/ ***************************************************************************
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