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 Post subject: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 12:29 am 

Joined: Wed May 01, 2013 6:30 pm
Posts: 16
Location: San Francisco, CA.
Hi folks,

I have a new knife on the way from CKTG! It's a Shibata Kotetsu Bunka. It would be my first powdered steel kitchen knife. Rather, I have a Benchmade 707 also in pm steel, but that doesn't apply here. I have 2 stones I use for my various other carbon, clad, and stainless kitchen knives, a 1000 and a 6000. I also have a 120 diamond plate for truing and re-profiling.

Would these 2 stones be acceptable for the sg-2/r2 steel on the Shibata Kotetsu Bunka or is there something else that would be a better option? I ask because I've read varying opinions of the ease of sharpening powdered steel.

Thanks!


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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 12:42 am 
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Joined: Wed Aug 07, 2013 12:44 am
Posts: 1359
What particular stones?



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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 1:03 am 

Joined: Wed May 01, 2013 6:30 pm
Posts: 16
Location: San Francisco, CA.
Oh god...I really don't remember. They are a few years old. If it helps, the 1000 grit is terra cotta/burnt umber colored with no markings. The 6000 grit is white and is connected to a light brown plastic base that has rubber feet...also, no markings. Both are waterstones and I never perma-soaked them, just a couple hours before sharpening.


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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 1:26 am 
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Joined: Thu Jul 10, 2014 12:50 am
Posts: 319
Are the colors similar to this combo stone? http://www.chefknivestogo.com/kingcombostone.html

If so, and they're pretty muddy stones, yours might be Kings.



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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 2:42 am 

Joined: Tue May 29, 2012 12:29 am
Posts: 1213
Most likely King stones and most likely won't work too well.

I highly recommend the Kohetsu stones, they will easily handle the PM steels and provide an edge that ideal for most cutting tasks. They also make an excellent core set of stones that's easy to build on. If you want a finer edge I would recommend the Nubatama 4K Ume stone, it can handle PM steels very well.

kohetsu-waterstones-ordered-t8924.html


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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 2:50 am 

Joined: Sat Mar 01, 2014 7:15 am
Posts: 1992
Location: Raleigh, NC
I have found SG2/R2 pretty middle of the road to sharpen. I admittedly wouldn't want to try it with Kings, but my Shapton Pros have been up to the task. The horror stories I've read regarding S90V and the like have not held true with this steel.


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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 3:27 am 

Joined: Wed May 01, 2013 6:30 pm
Posts: 16
Location: San Francisco, CA.
Are the colors similar to this combo stone? http://www.chefknivestogo.com/kingcombostone.html

If so, and they're pretty muddy stones, yours might be Kings.


Yes, the colors are similar. And, you about summed it up...they are quite muddy.


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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 8:55 am 

Joined: Thu Apr 03, 2014 12:52 am
Posts: 940
Try the Kings before you buy anything else. I have a Takamura R2 on which the Kings (Deluxe 1200 & Deluxe 6000) sharpen fine - not the most aggressive stones but they do work well on R2.


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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 10:46 am 

Joined: Sat Nov 08, 2014 11:27 pm
Posts: 183
Yup definitely try it... some of the stone differences are just about patience and work. I would rather be done faster, but i'm no professional sharpener doing bunches of blades, so an extra 5-10 mins is no big deal.


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 Post subject: Re: SG-2/R-2 Sharpening
PostPosted: Sat Jan 31, 2015 11:28 am 

Joined: Sat Jan 31, 2015 11:14 am
Posts: 1
I have the knife in question and don't find the SG-2 steel particularly hard to sharpen. My stones are harder though (Naniwa Pros/Choseras)


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