CINCINNATI, OH – Diehl Steel stocks and sells a wide variety of grades of CPM® powder metal products designed for customer's most demanding applications. The CPM® process eliminates alloy segregation and produces more highly alloyed grades of steel which cannot be produced by conventional steelmaking. The process results in a very fine, more uniform carbide distribution and imparts improved toughness and grindability, superior dimensional stability, as well as outstanding hardness, wear ...This story is related to the following:Tool Steel | Cobalt Steel | Carbon Steel | Tungsten Steel