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Title says it All, I want your opinion on the grain size of a test piece. Steel is 80crv2 - this is a new steel for me so some testing is in order. I hardened a test piece and broke a section off after each step. Top one is after 1x normalize Middle one after 2x Normalizing Botom one after...

There has been so much discussion on the usefulness/or not of bainitic hardened blades - no need to start this again. I prefer my blades fully martensitic and if I need more toughness/flex I differentially temper the spine. But I found this interesting article on the comparison of various...

Here is something I made some time ago: A Stonewashing tumbler. I was experimenting with different finishes and wanted to try some stonewashing. As I did not want to spend much on it I quickly slapped something together with Materials found in the shop. I guess it could be done much nicer than...

I have a Question concerning Cryo/deep Freeze Treatment. When I use Stainless I work with Sandvik Steels like AEB-L, 13C26, 12C27. I do a Dry Ice/Acetone treatment immediately after HT. According to the Sandvik HT manual there is no holding time at cryo temperature necessary, you only...

I recently got into cooking knives and my older HT oven was too small, so I did build a bigger one. Not the prettiest of sorts and still missing the outer shell ,but works excellent. Some Data: Interior 50cmx12cmx12cm (approx 19,7`x4,7`x4,7` sorry I am a metric guy :)) up to 800°C (1475 F)...

Hello folks, I started making knives as a hobby about 2 years ago, and have been lurking here and in some other forums for quite a while and been able to find numerous threads with invaluable information so far. As I am german I mainly visit the german Messerforum.net and came only to look not...