More Edge Retention Testing - Rex 45, Maxamet, SPY27, XHP, CPM-T15, 420, Rex 76

[Larrin]

A new set of edge retention tests on a range of high speed and stainless steels including Rex 45, Rex 76, CPM-T15, SPY27, XHP, and 420. We also did toughness tests on several of those steels that we had not yet been tested. And we redid our Rex 121 knife with a new heat treatment that was much easier to sharpen so it got a significantly higher score. Edge Retention Testing of Seven More Steels - XHP, SPY27, Maxamet, Rex 45, 420, T15, Rex 76 - Knife Steel Nerds

 

[esoo]

Always like reading these articles. Like seeing the update on Rex121 as I'm awaiting a blade made in that.

 

[ModRQC]

Great article as always. 420 does surprisingly well for a low cost SS hardened to 55 RC. I wouldn't have guessed as much. It sure has no sex appeal though...