![]() ![]() I agree,sorta,I mean we dont have the sword sitting here in front of us, so this is all just a guess,But the facts speak against it being normal rust as far as I can see. Though no where near the habuchi, its along the shinogi-ji and shinogi for me.Īlthough, I've heard Noxon is a very good choice for any kind of maintenance on production katana. I find it appears frequently in certain spots, this is indicative that my saya isn't properly shaped or dirty at that particular location on the blade. If not, I carefully sand it with mineral oil and 1500 grit sandpaper to get it off if the Metal-Glo fails. The only thing to be wary of this is that it leaves a satin like finish when you're done using it which usually won't match the rest of the finish on your katana, but hopefully the followup metal polish you use will restore the finish back to match the level of polish on your katana.Īnyway, I've had these black spots pop up occassionally, I use Metal-Glo and it usually takes it right off. You "erase" the blemish on your blade like a rubber eraser on paper. Yours I think I'm familiar with this eraser object thing, I got one called a Sharpmaster Eraser, its shaped like an eraser and composed of some kind of polishing agent. Last edited by Dakota Smith 01-02-2005 at 09:12 AM. The fact that you might not have noticed them before might be because they were hidden from a buffing, or some other thing talked about above? Or they could be just hammered-in junk that has been banged into the steel with the hammer,the fact that they are along the cutting area only might be because thats where the final hits and most hitting happened? The spots could be the common spots I get on a blade when I have pushed it a little too hot in the forge.thats why I first thought of Nie, ![]() Its a New blade,a Katana that is likely heat-treated.the spots and dots are along cutting areas only.this points to something done to the blade when it was hot.If it was just normal rust, would not it be found in many other places too?. ![]() It may just be carbon residue from the forging process. Since the spots are black, I'm assuming it's not iron oxide (rust). I hope that this has been of some help to you. ![]() Immediately after this wipe the blade clean with a paper towel or soft cloth. You will want to buff the area repeatedly with the Never Dull. After buffing with the polishing block, take a wad of Never Dull and wipe down the newly polished area. I get mine from Chesapeake Knife and Tool, but you can get it (or something similar) from almost any knife or sword vendor. This is essentally Brasso mixed with a cotton wadding. Just go to Use the polishing block to buff off the black marks. You can find one for about $6 from American Fencers Supply Co. If you are unfarmilar with this, it's kind of like an eraser.but not. So.you may want to check with some other sources before trying this on a Katana. I will warn you though that I specialize in western style weapons. I have a method that I use that will really shine up a blades nicley. If you really want to get rid of the spots however, I have a few suggestions. However, I don't think that there is much risk of any real damage to the blade. It sounds to me like you definately have some sort of oxidation. ![]()
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