Thanks to the new Knife Steel Nerds Patreon supporters! Dusan Praznik, Donald Adkins, Marcus Collins, and Trae Santiago. K390 Video Here is the video version of the following information: What is K390? K390 was developed as an alternative to Crucible’s CPM-10V, which has had success since the late 1970s as a steel with very high … Continue reading K390 – Best High Wear Resistance Steel?