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Different stones for different knives?

Mon Mar 04, 2013 1:55 pm

Hello -

I'm trying to figure out if I need different sharpening stones for my German knifes (Henckels Prof. "S") versus my Japanese knives (Shun). After doing some research and asking around, the consensus seems to be that I need to use different stones for each type of knife, and that I need a stone which uses an oil for the German knives and water stones for the Japanese knives.

Is this true, or is there a set of stones that works for both types of knives?

***I have watched almost all of your Knife Sharpening for Newbies videos, and haven't run across anything yet that addresses this issue.

Thanks,

Mark

Re: Different stones for different knives?

Mon Mar 04, 2013 1:58 pm

Hi Mark,

No.

While it's true that some stones "match up" well with certain types of steel, many stones will sharpen everything a typical person has without much trouble. I encourage you not to overcomplicate sharpening. This is the number one reason people give up before they start. Get yourself between 1 and 3 good general purpose stones and have fun. I recommend you get a rough one, medium and fine. If you don't want to spend too much you can skip the rough one.

Re: Different stones for different knives?

Mon Mar 04, 2013 2:19 pm

A single set of coarse, medium and fine stones is all that is necessary. They can be either waterstones or oilstones. Waterstones have the advantage that a fresh sharpening surface is constantly being uncovered by use, but the disadvantage is that they must be flattened frequently. Oilstones, on the other hand, rarely need flattening, but must be cleaned of metal particles frequently, a messy job, at best. Your choice, but I don't recommend mixing oilstones and waterstones because of the likelihood of contaminating the waterstones with oil.

I also recommend that you find better sources of information than those that told you you need oilstones for European knives and waterstones for Japanese knives.

Re: Different stones for different knives?

Mon Mar 04, 2013 2:30 pm

Yeah, that's not very good advice.

Waterstones (at least all that I've tried) will sharpen any knife I've owned. :)

Re: Different stones for different knives?

Mon Mar 04, 2013 2:36 pm

though i've read on another forum arky stones give a longer lasting edge on euro knives.

Re: Different stones for different knives?

Mon Mar 04, 2013 8:58 pm

I don't think so.

I also don't believe that naturals increase rockwell hardness which I've seen floated on some sites and a couple forums.

Re: Different stones for different knives?

Mon Mar 04, 2013 9:00 pm

I've heard that before too Mark.

I don't see how it could make it harder....that defies normal logic of what makes steel hard.

Re: Different stones for different knives?

Mon Mar 04, 2013 11:22 pm

"Oilstones, on the other hand, rarely need flattening, but must be cleaned of metal particles frequently, a messy job, at best."

Hey Rick

I thought the reason oil was used on certain(porous) stones, was to 'prevent' the stone from clogging with metal residue.

Re: Different stones for different knives?

Tue Mar 05, 2013 1:19 am

Why would an edge last longer because of the type of stone used? An X* edge is an X* edge regardless of which stone got it there and is going to wear the same.

Re: Different stones for different knives?

Tue Mar 05, 2013 1:57 am

desol wrote:"Oilstones, on the other hand, rarely need flattening, but must be cleaned of metal particles frequently, a messy job, at best."

Hey Rick

I thought the reason oil was used on certain(porous) stones, was to 'prevent' the stone from clogging with metal residue.


It helps, but the stone still needs to be cleaned periodically.
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