I make boring videos. Some of you guys know that. One of the things that I made a video about a while ago was trying to get newbies to not cast off things like using a single washita stone to sharpen (because it's quite nice!). I still get questions through the youtube message system (for people who don't want to post their questions in public) about buying or using washitas.
I also have glom of strange steels, though I prefer stanley/mathieson/ward type stuff. At any rate, I don't love getting out other kit just to sharpen funny steels and I thought I might make a video sharpening the clown steels on a washita. I know which ones do already (A2 is fine), and which don't (M4 is a no-no - you can burnish it and that's it), and which are in between (the in betweens like V11 will grade a washita - they sharpen fine once, but if you sharpen a couple of times, the stone stops cutting and won't even work over a fresh grind).
What I noticed is that some of the very tough steels (like what Mujingfang uses in some ill-constructed chisels) is very tough, but also sharpens on natural stones - more slowly than carbon steel and the bevel needs to be kept small, but well enough and the edge is fine. They are high speed steels - I've intentionally ground them cherry red and allowed them to cool and they seem unaffected, blue tip and all. I suspect they are a tungsten high speed steel, because I licked one and it tasted like a light bulb. That's a scientific test with a 40 standard deviation confidence, I guarantee it.
I wish western manufacturers who want to use clown steel would find out what muji uses, and adopt that. Since Muji's clown steel irons (which fit their planes and not stanley) are about $12, maybe the western manufacturers could just buy some hardened stock from Muji and braze it onto their irons.
I also have glom of strange steels, though I prefer stanley/mathieson/ward type stuff. At any rate, I don't love getting out other kit just to sharpen funny steels and I thought I might make a video sharpening the clown steels on a washita. I know which ones do already (A2 is fine), and which don't (M4 is a no-no - you can burnish it and that's it), and which are in between (the in betweens like V11 will grade a washita - they sharpen fine once, but if you sharpen a couple of times, the stone stops cutting and won't even work over a fresh grind).
What I noticed is that some of the very tough steels (like what Mujingfang uses in some ill-constructed chisels) is very tough, but also sharpens on natural stones - more slowly than carbon steel and the bevel needs to be kept small, but well enough and the edge is fine. They are high speed steels - I've intentionally ground them cherry red and allowed them to cool and they seem unaffected, blue tip and all. I suspect they are a tungsten high speed steel, because I licked one and it tasted like a light bulb. That's a scientific test with a 40 standard deviation confidence, I guarantee it.
I wish western manufacturers who want to use clown steel would find out what muji uses, and adopt that. Since Muji's clown steel irons (which fit their planes and not stanley) are about $12, maybe the western manufacturers could just buy some hardened stock from Muji and braze it onto their irons.