Again, consider the four properties of knife steel: Let us discuss CPM 3V steel when it comes to its performance in a knife. CPM makes the steel more resistant to breaking, fracturing or chipping.ĬPM 3V Toughness & Wear Resistance vs D2, A2 & CPM M4 (Courtesy of Crucible Industries.) CPM, makes the steel stronger than the SAME steel made using a conventional steel manufacturing process. CPM is a trademarked name for a process that is also called Powdered Metallurgy or PM steel. CPM 3V is an American-made steel product by Crucible Industries in Syracuse, New York. What does CPM stand for? Crucible Particle Metallurgy (CPM)ĬPM steel utilizes and expensive and complex manufacturing process that provides a more even distribution of carbides. Heat treatment (The hardness of the steel)Ĭorrosion resistance (Amount of chromium in the composition of the steel, chromium content over 11% is considered stainless) There are four general properties which most use to evaluate knife steel:Įdge Retention/Wear Resistance (how the cutting edge holds up to cutting use) Different types of steel have different properties, and some are better for knives than others. It will likely oxidize over time depending on the working environment, 3V steel is not stainless. It makes a great field knife blade that is tough and unlikely to break with heavy, near abusive, use. CPM 3V steel has its advantages when it is used in a knife. There are many different types of steel that your knife could be made from.
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