In addition to making leather goods, I plan to experiment with making some of my own blades for leathercrafting, like skiving knives and edgers. So far i have learned that there is a balance between hardness and toughness in cutting edges. Blades made from harder metals can be made sharper and cut better, but are more difficult to sharpen and more prone to chipping. Tougher, more soft blades may not cut as well and may require more frequent stropping/sharpening to keep them up. In case anyone is interested, this has been a really good resource describing all this in detail, along with a breakdown of various metals https://www.bladehq.com/cat--Best-Knife-Steel-Guide--3368.
Theoretically, it would make sense to me that a lap skiver would be better off made from a very hard steel that can be sharpened to a more acute angle, and maybe a pattern knife or a rough cutter would do better made from a softer steel because they don't necessarily need to have such a fine edge and will be used with more downward pressure perpendicular to a cutting surface. Or, maybe the differences between modern steels are minute, and the impact these different blades have on users are barely noticeable because we have such good steel these days. This might make sense looking at incredibly diverse types of steel used by the best tool makers i am aware of. For instance considering skiving knives, Palosanto uses M2 high speed steel and Jeff Peachy also recommends it, Chartermade uses N690 stainless steel, Okada uses blue steel, Knipschield uses CPM154CM and O1.
I just started working with leather 3 months ago or so, so i am on my first set of tools and have only used M2 and cheap stainless. I'd love to hear opinions about blade steels from leather crafters with more experience!
Thanks everyone!
Hi,
All of the steels you listed would be suitable to make a leather knife from, provided it is heat treated properly. I would suggest that you use a commercial Heat Treatment business to do this for you. O1 is a simple oil hardening steel that you may be able to treat yourself depending on your equipment, I've made a number of half round knives from it and it makes a great knife although it will corrode if you don't look after it. Hope this helps. give me a shout if you need any other help.
Cheers, Doug