Combi deal. ", If you don't have anything good to say, then don't say anything at all, DIY edge retention test - M4 vs 20CP vs M390, http://www.spyderco.com/forums/showthre ... post746521, http://spyderco.ca/forums/showthread.ph ... post743526, http://www.youtube.com/user/mwvanwyk/videos. 20CP felt the hardest to sharpen. About Us; The Corporate Commitment; HII Philosophy of Coaching; Meet the Founder I also have the Pacific salt in case I need a bigger knife to work in VERY wet and dirty environments. I don't know how to interpret these sorts of tests. The steels used are CPM 4V, CPM M4, and CPM S90V. The red/black zome Delica exclusive from DLT Trading in 20CV, an analogue of M390, is still available. Benchmade’s 581 Barrage is an affordable example of M390 performing at its best. m4 is not a stainless steel, where m390 is so if patina isn't your thing m390 is the winner. Known as a super-steel, M390 is a premium powdered stainless steel. Your testing verified performance plenty good enough for me. The reason I ask is because I sharpen my GB(and all my knives for that matter) on my SM with the 40 degree inclusive and finish with the ultra fine stones. Main Menu. The M4 includes a durable leather sheath with double seam stitching. In applications where it has been traditionally necessary to use a high cobalt material for red hardness, e.g. M390. FREE Shipping by Amazon. Having a list of around 4 or 5 steels to pick from I can focus my attention on other attributes of a knife. M4 is one of my favorite steels because of it's relative performance and ease of sharpening. Bohler calls this steel “Microclean” and it can be polished to achieve a true mirror. >> See knives with M390 steel. I have 2 H1 knives. We request your assistance dealing with this as we do not want to see the site shut down due to violent threats. One is the Ladybug only for it's size and H1. I have used a Spyderco medium ceramic stone, and it does not give me an edge that is as sharp as I'd like. 92. Only 1 left in stock (more on the way). M390 vs M4 M4 steel reaches the same edge retention and toughness of the M390, but it’s high carbon steel with low corrosion resistance. You may notice that the carbide size is more different between M390 and Vanadis 4 Extra than between 4V and Vanadis 4 Extra. Knife of the Day! Based on experience and testing, M4 steel may outperform blade steels such as M390 and S90V in terms of edge retention and M4 is in a completely different league in terms of toughness. Able to handle virtually any task, it … M4 is relatively simple to sharpen by comparison, IMHO. M4 is better for hard use. Effect of Composition and Carbide Type. S110V has a similar Mo content as well so it should still have better corrosion resistance than S45VN. Just get any of the better steels that Spyderco uses and I will have a knife that will more than satisfy my desires on edge retention of a quality EDC knife. CPM-S30V has become one of the most used premium steels on the market among knife manufacturers. M390 steel is durable, more so than many other types of metal. "If you wish to live and thrive, let the spider run alive", "the perfect knife is the one in your hand, you should just learn how to use it. ... CPM-M4. Postby Brock O Lee » Sun Jan 15, 2012 6:57 am, Postby Brock O Lee » Sun Jan 15, 2012 7:04 am, Postby jackknifeh » Sun Jan 15, 2012 7:45 am, Postby jackknifeh » Sun Jan 15, 2012 9:00 am, Postby Brock O Lee » Mon Jan 16, 2012 5:01 am, Postby rlm1159 » Mon Jan 16, 2012 7:45 am, Postby Brock O Lee » Mon Jan 16, 2012 9:01 am, Postby buckthorn » Mon Jan 16, 2012 11:15 am, Postby wquiles » Mon Jan 16, 2012 1:47 pm, Postby MachSchnell » Mon Jan 16, 2012 1:56 pm, Postby jackknifeh » Mon Jan 16, 2012 4:23 pm, Return to “Spyderco General Discussion”, Users browsing this forum: abiggs, attila, Bing [Bot], Cambertree, Evil D, Google [Bot], GrandallK, jdw, JMM, The Meat man, Wartstein and 41 guests. Of course that turned into several knives. Austrian powdered steel with a uniform micro-structure that provides superior levels of edge retention, toughness, and corrosion resistance, making this steel one of the most well rounded premium steels in the world. This item: LionSTEEL M4 Bushcraft Fixed Blade Knife, M390 Sintered Steel Blade, Leather Sheath $162.95.
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