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 Post subject: Hardness on the Takeda AS series
PostPosted: Sun Oct 06, 2013 3:37 pm 

Joined: Sat Sep 07, 2013 5:53 pm
Posts: 56
I heard the stainless clad series have an Rc of about 63-64. Does the same go for the 'normal' AS series?

My personal guess is the AS series is also around an Rc of 63-64 because they use the same grade of AS steel as a core, but maybe the stainless cladding requires a different tempering process which affects the hardening of the steel?


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 Post subject: Re: Hardness on the Takeda AS series
PostPosted: Tue Oct 08, 2013 3:58 pm 

Joined: Sat Sep 07, 2013 5:53 pm
Posts: 56
No one knows this?


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 Post subject: Re: Hardness on the Takeda AS series
PostPosted: Tue Oct 08, 2013 4:40 pm 
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I don't recall seeing a specific HRC from Takeda. Contact them and ask...I'm sure they'll reply:

kajiya@mx1.tiki.ne.jp

Shosui is a very nice guy from what I hear.

However, I've heard any where from 61 to 65 for his original knives with the consensus being in the higher area of that range.



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 Post subject: Re: Hardness on the Takeda AS series
PostPosted: Tue Oct 08, 2013 7:00 pm 
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I'm pretty sure his knives are about HRC 63.



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Mark Richmond
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 Post subject: Re: Hardness on the Takeda AS series
PostPosted: Tue Oct 08, 2013 8:05 pm 

Joined: Sat Sep 07, 2013 5:53 pm
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Adam Marr wrote:I don't recall seeing a specific HRC from Takeda. Contact them and ask...I'm sure they'll reply:

kajiya@mx1.tiki.ne.jp

Shosui is a very nice guy from what I hear.

However, I've heard any where from 61 to 65 for his original knives with the consensus being in the higher area of that range.


Hi Adam,

I've been in contact with Shosui before (ordering knives) and indeed he's a really nice guy :) I've asked him on twitter, but he's a bit busy with a department store sale he's doing, haven't had an answer as of yet.



chefknivestogo wrote:I'm pretty sure his knives are about HRC 63.


Thanks Mark, I supposed it was (about) the same as the stainless clad knives he's making.

I started wondering about the Hardness because of an article on zknives.com about Aogami #1, #2 and AS, where Takeda's are mentioned as 61 HRC. According to the article the AS has better wear resistance compared to the #1 and #2 though.


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 Post subject: Re: Hardness on the Takeda AS series
PostPosted: Wed Oct 16, 2013 8:47 pm 

Joined: Sat Sep 07, 2013 5:53 pm
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FYI, I got an answer from Yousui from the Takeda factory, Takeda knives have an HRC of about 61 to 63.


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 Post subject: Re: Hardness on the Takeda AS series
PostPosted: Thu Oct 17, 2013 3:24 pm 
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Yousui is the guy that showed me how to sharpen on that doughnut sharpening machine they have. Takeda recruited him to work for him 15 years ago at a knife show. Super nice guy.



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 Post subject: Re: Hardness on the Takeda AS series
PostPosted: Sun Oct 20, 2013 8:11 pm 

Joined: Sat Sep 07, 2013 5:53 pm
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chefknivestogo wrote:Yousui is the guy that showed me how to sharpen on that doughnut sharpening machine they have. Takeda recruited him to work for him 15 years ago at a knife show. Super nice guy.

He is a nice guy, I've got him on Facebook and he's always very generous and always answers questions, as does Shosui of course.


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