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I was really happy bringing home my first quality Zwiling Chefs knife. Before cooking I ran the knife through some paper - sliced like butter! After I was done and washed dried the knife, I decided to try the test again. It began tearing the paper. That's when I picked up my honing steel I got earlier (20 cm, around 20$, no brand, with ridges down along) and pushed several strokes. The knife afterwards with a decent amount of pressure would cut the paper, but that razor sharp feeling was gone.

Should I get a different honing steel? Or do I just lack technique? Can I kill my blade? I learned mostly from YouTube videos, particularly the one by Bob Kramer.

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A sharpening steel with ridges is really a file, and removes blade material. A smooth sharpening steel will stand the micro burr back up. A hone removes blade material, and is used to reshape, re-angle, or remove notches that form from miss use, or from letting others use it. –  Optionparty Oct 22 '13 at 19:46
    
@Optionparty I... That doesn't sound right. "Sharpening steel"? –  Preston Fitzgerald Jul 24 at 4:40
    
@PrestonFitzgerald en.wikipedia.org/wiki/Honing_steel –  Optionparty Jul 24 at 13:51

3 Answers 3

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Poor honing on a blade that was already in true can reduce the sharpness, as you have discovered. This happens if your angle is off, and you knock the edge of the microscopic burrs or teeth over, presenting a duller cutting surface.

It is likely that proper honing will correct this, although it may never be quite as perfect as the blade fresh from the whetstone or factory.

In any case, you will not do any permanent harm to your blade with a honing steel (short of using it as a bludgeon), because absolute worst case, you can always have your knife resharpened, or do it yourself. This may be somewhat inconvenient or costly, but is much less expensive than replacing a blade.

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I own a set of Zwilling knives and Zwilling honing steel, and have thoroughly discussed their care with the Zwilling rep.

As hinted in other answer many people don't realise that a chef's steel is not intended to remove material from the knife edge but rather roll the partially curved tip of the blade back in perfect alignment with the overall blade. This means one should take a shallow angle so the steel "pushes" the tip back in position. Too much angle (as I initially did) and the steel will tend to run across the front of the out out of alignment sharp edge and yes, indeed, make the knife blunt by rubbing against the tip. The wikipedia article on this is not bad http://en.wikipedia.org/wiki/Honing_steel

However equally the German style knives, Zwilling included, are by design a relatively soft steel and will go blunt. For me proper use of honing steel returns a great edge for 10-15 times depending on what is being cut. Then I have to go to the sharpener to get blade back in peak shape. Good news is these blades are suitable for home sharpening, unlike say the Japanese style knives. Zwilling sell sharpeners as well as honing steel's. I use an older equivalent of their Twinsharp Select ( see http://www.zwilling.com/en/sharpening-knives-with-zwilling-j-a-henckels-knife-sharpeners.html ) with good results.

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Honing steels were originally intended for use on butcher's cleavers, not for regular kitchen knives. Originally honing steels did not have those ridges but were instead smooth. The purpose of a knife steel is the same as for a strop, ie to straighten and toughen the blade's micro-edge so that it's effectively sharper without having to remove any metal as with sharpening.

You should really never use a honing steel with kitchen knives, a leather bench strop is much more reliable and will not damage the delicate edge. You should also never use a leather strop for removing burr, since the burr will rip the leather and then scratch your blade. Linens are what you use for removing burrs.

That said, European knives use really low quality steel, around rockwell hardness 55, which can only maintain a 40 degree inclusive angle. By comparison Globals can hold a roughly 30 degree angle (although they often botch their heat treatments) and higher quality steels can hold as low as 24 degrees or so under normal usage. European knives also tend to have thicker blades, which produce more resistance when cutting things and make it more difficult to get thin slices.

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