Is CPM M4 a Good Knife Steel? (Plus, Best M4 Knives)
At A GlanceCPM M4 is a high-end tool steel renowned for its toughness and wear resistance, making it an excellent choice for knife-making. Manufactured by Crucible Industries, CPM M4 has a fine microstructure that contributes to its superior edge retention and moderate toughness. Despite its limited corrosion resistance, the steel is still highly favored for …