Cpm rex m4 knife, It is cherished by custom knife-makers and enthusiasts who craft knives for tools that can perform various demanding jobs. CPM M4 steel chemical composition: 1. Hap40 Endura: 924 inches cut Rex 45 PM2: 1122 inches cut. Buy cpm m4 from Knifecenter. Apr 16, 2017 · Hap40 Endura and Rex 45 PM2 were sharpened to the same sharpness of whittling hair before the test. com - The Original and Largest Online Catalog of Cutlery CPM REX M4 HC (AISI M4) [48] is a high-speed tool steel produced by Crucible using CPM process. Carbon: 1. Jan 20, 2026 · Properly heat treated, CPM M4 reaches working hardnesses in the low 60s HRC and gives outstanding edge retention for demanding cutting tools, punches, and knives, while still tolerating shock better than classic M2-type steels. He cut cardboard with the same portion of the blade and alternating between two knives. Silicone: 0. 55% 7. 50% 6. CPM REX M4 HC (HS) is a high vanadium special purpose high speed steel exhibiting better wear resistance and toughness than M2 or M3 in cold work punches, die inserts and cutting applications involving high speed and light cuts. Molybdenum: 5. He stopped when the knife no longer shaved hair. Vanadium: 4. com - The best online marketplace for knife collectors, makers and retailers. Dec 11, 2021 · CPM REX 45 is good knife steel because it offers excellent hardness, edge retention, and wear resistance for high-end performance. 30% M4 steel, also known as CPM-M4 and CPM-REX M4, is a high speed tool steel developed by Crucible Industries, an American steel manufacturer. In short, CPM REX 45 is the choice if you crave the ultimate in wear resistance and edge holding, while CPM M4 is the all-around performer that balances edge retention with toughness. 00% 3. com - The Original and Largest Online Catalog of Cutlery There’s a lot of hype surrounding the CPM M4 steel for decades now, especially in the knife world. Bladebinge. Chromium: 4. If you’re wondering what the reason is, let this CPM M4 steel knife review tell you all about it. 25% 5. Buy CPM 8 from Knifecenter. [15] M4 has been around for a relatively long time, lately entering custom and high-end production knives. Jun 24, 2025 · What is M4 Steel? CPM M4 is a high-vanadium, special-purpose high-speed steel known for its exceptional wear resistance, toughness, and superior edge retention, making it a popular choice for competition cutting blades and demanding applications like cold work punches, die inserts, and cutting tools. . Crucible manufactures M4 following its pa CPM M4 is regarded as one of the finest steels for knife making due to its perfect balance of toughness, wear resistance, and edge retention. CPM® REX® M4 is a special-purpose high speed steel designed to give high wear resistance in tools. Buy and sell used knives, custom knives, direct-from-manufacturer, or browse the secondary knife market. Tungsten: 5. 00% 4. Manganese: 0. The addition of cobalt and tungsten in its alloy ensures that Rex 45 steel knives are extremely hard and incredibly resistant to wear. 40% 2. Its high vanadium and carbon content provide high resistance to cratering and wear in cold work punches, die inserts, and cutting applications involving high speeds and light cuts.
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