How to Remove Rust from a Carbon / Stainless San Mai Damascus Knife

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Mar 26, 2004
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Some years ago I made this mini santoku in carbon 1010 and stainless 304 with a 5160 core for an order. I didn't like the way it looked (the inner 5160 core had switched too much to one side), but since it was 100% functional, I gave it to my webmaster (Ness / tracer-san) so he could use it.

He's been using it for a long time and the knife is still as the first day he got it.

I've been getting a lot of questions lately on what extra care is needed for this steels combination, so I asked him to let it rust on purpose and then document the cleaning process to show how easy is to maintain one of these kitchen knives.

If you just rinse and dry you knife after use you will probably never need to do this, but it's good to know that if you forget about it, you can easily bring it back to new condition in no time, with regular household items.


Knife used to dice potatoes, left intentionally unwiped and with water over it for about 24 hours.

semistainlessrustremoval1.jpg



Close up. You can see rust in different stages.

semistainlessrustremoval2.jpg



First step. Soaking a paper towel in tap water.

semistainlessrustremoval3.jpg



Once you swept the blade with it.

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Resulting blade. This will usually take care of ALL the rust on the blade if you just forgot to properly dry the knife or forgot it on the kitchen top a few hours unatended.

semistainlessrustremoval5.jpg



In this case we need to go an extra step because of the severity of the rust. For this we use regular kitchen steel or bronze wool (Knife in the background is already clean because this picture was taken afterwards)

We grab the knife, wrap the wool over the blade and pass it back and forth several times under running water. In this particular case, for a whooping 30 seconds.

semistainlessrustremoval6.jpg



This is the knife right after we finish.

semistainlessrustremoval7.jpg



Now dried up.

semistainlessrustremoval8.jpg



Close up. No more rust. Damascus still looks nice.

semistainlessrustremoval9.jpg



The entire process to clean up the knife took less than 2 minutes, and we get a knife that's as good as new. You don't need any special "knife" knowledge" or dedicated tools, it really is as simple as it looks.



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Thanks for looking!


Ariel
 
superb thread.

when i saw the first picture i was thinking to myself that this would be a long, involved process to remove that much rust. im a little bit shocked at how easy it was to clean up the blade.
 
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