Hardness, Nitrogen-alloyed

Why Nitrogen Knife Steels are Soft

Thanks to the new Knife Steel Nerds Patreon supporters! Hunter Chen, Claas, Curtis Fowler, Saptak Dutta, Tracker Dan, Paul Pedrazzi, 150LAT10N, James Kane, Vincent Franchino, and Jack Bashear.

I also have some Patreon-exclusive bonus content related to this article such as Nitrobe 77, Nitro-V, and 14C28N steel hardness data and experiments on the effects of the high temperature temper on nitrogen steel hardness. read more

Corrosion Resistance, Edge Retention, Steel and Knife Properties, Toughness

Knife Steels Rated by a Metallurgist – Toughness, Edge Retention, and Corrosion Resistance

Thanks to Bill Smutz, Alex Topfer, Florian Bachler, Brunhard, Art, Rod H, Sach, Jinny Koh, Jon Duda, Cory Henderson, and UPKnife for becoming Knife Steeel Nerds Patreon supporters! And Michael Fitzgerald, Tim Marais, and Head VI for increasing their contributions. All of the experiments shown below are possible thanks to supporters. read more

Corrosion Resistance, History - Articles - Books, Nitrogen-alloyed, Steel and Knife Properties

LC200N/Cronidur 30 – History and Properties

Thanks to Maxi, Michael Fitzgerald, Samy Tammam, Russ Ramski, and Scott Guthrie for becoming Knife Steel Nerds Patreon supporters! We are almost to 300 supporters! Wow!

New T-Shirts!

After requests from any kind fans we now have t-shirts available, including an awesome one with the MagnaCut logo on front and knife grinding man on the back. Note it is available in a few different styles and colors. Click this link if you want one. read more

Edge Retention, Super Steels

Edge Retention Testing of Seven More Steels – XHP, SPY27, Maxamet, Rex 45, 420, T15, Rex 76

Thanks to Knife Thoughts, Nicholas Rossi, Jason D. Stone, and Ken McCurdy for becoming Knife Steel Nerds Patreon supporters!

Update 1/5/2024: I neglected to mention in the original writeup of this article that the Z-Max was retested along with the new Maxamet and Rex 121 tests. The total cardstock cut was updated from 909 in the original testing to 948 mm. read more

Annealing, Austenitizing, Forging, Heat Treating and Processing, Quenching, Tempering

How to Use a Steel Datasheet to Develop a Heat Treatment

Thanks to David Reem, Colton, camilo, Brendan Gildea, Vince Koacz, Monery Custom Cutlery, Curt E, Shannon Sanders, Brazilian Blades, Rory Kelly, Brunhard, Zachary Chumley, Noel, Adam Nolte, Gundam lupus, and Jan Huch for becoming Knife Steel Nerds Patreon supporters! I still don’t know when it will be time for the announcement of my new steel so until then you can get all of the data on its properties exclusively on Patreon. read more