Fri Jul 05, 2013 2:13 pm
I have a question on sharpening HAP40 steel and maybe someone can help.
Recently, I bought a GIHEI knife (210 mm Gyuto, san mai with HAP40 steel). It's a nice knife, but OOTB not super-sharp.
I do my sharpening with a Belgian blue stone and Naniwa Super (800/5000). Afterwards some stropping on leather and blue polishing paste. This works well with my other knives (Global and an Eden Blue#2).
The HAP40 takes forever to be only slightly affected by this. On the one hand very impressive but not convenient.
Am I using the wrong stone or should I be more patient?
I am also thinking about stropping on balse with CBN, but before investing I'd like to know if this is a good idea with HAP40.
Really looking forward to hear opinions,
Fri Jul 05, 2013 10:54 pm
I've never dealt with the steel, but when dealing with wear resistant steels like it or M390... diamonds are your friend. Get your edge on the diamond, then finish with stones.http://www.chefknivestogo.com/atomaplates.htmlhttp://www.chefknivestogo.com/dmt1.html
Sun Jul 07, 2013 9:43 am
Thanks for the advice. Sounds logical. What grit size(s) would i need to do this?
Sun Jul 07, 2013 8:53 pm
It's up to you. The 140 will make short work of most things. You can move up to the 600 from there and then switch to a 1K stone and work your way up as far as you like from there.