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High-Performance Blades Sharing ideas for getting the most out of our steel.

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  #76  
Old 03-01-2005, 06:14 PM
Gary Mulkey's Avatar
Gary Mulkey Gary Mulkey is offline
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I believe that the sword makers got the curve to their blades through the H/T but they were master enough at their craft that I'm sure that they wanted that same curvature. Since a curved blade slices easier and a straight blade pierces easier than it a probably true that the Japanese swordsman preferred the cutting qualities of the curved blade. I can't document this but it does sound logical. I have read that this is why the ancient Turks used a curved blade.

Gary
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  #77  
Old 07-10-2005, 02:52 PM
Ssj2 Ssj2 is offline
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Wow it's been so long since I've been on here!!! Hows every one doing? As of late I've been really busy and my computer crashed but I'm back now. I still want an s30v sword and I havn't got any offers from any one to make it. well acttully I take that back there was this guy on here called Dan I believe he sent me an email wanting to know more and he said that he made an s30v sword for him self. If your still on here Dan sorry I havn't got back with you in so long I lost all contact information when my computer crashed but like I said if your still up for making me a sword or any one els on here let me know.
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  #78  
Old 07-15-2005, 05:15 AM
PeterAtwood PeterAtwood is offline
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My guess on the curvature question would be that it is the natural shape a blade takes on as you hammer out a bevel. Once it is forged then it is ground and finished. The differential heat treat probably just accentuates the curve but I bet it doesn't account for all of it.


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  #79  
Old 07-16-2005, 10:02 PM
Reggie Barker Reggie Barker is offline
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Bailey Bradshaw might make one for you I know he is up on the stainless steel.
Reggie


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  #80  
Old 07-21-2005, 09:13 PM
Ssj2 Ssj2 is offline
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Thanks Reggie, I actully managed to find Dans phone number tho so I think I'm going to be going with him he's already made one s30v sword with amazing results. So I'll keep you guys posted on how it's going.
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  #81  
Old 10-16-2005, 10:52 AM
AcridSaint AcridSaint is offline
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Hi Peter, just noticed your post about the curve and I wanted to mention that Japanese swords made today are not curved at all before they HT. There's a 10RC or higher difference in the edge and spine of many Japanese swords. Combined with the taper, you get a really beautiful curve when you quench. Tachi end up with a more dramatic curve because of the extra length as well as the more drastically tapered blade.

If you'll have a look here:
http://www.ksky.ne.jp/~sumie99/yakiire.html
You can see a few swords that are clay tempered. This is a Japanese company, demonstrating how swords are created as well as showcasing their product (by the way, many of their prices for Japanese swords, accessories and work are very reasonable). You'll notice that the spine is straight and the tang is bent.

Reading the Engnath site will give you a couple pictures of his sword making process as well. They look straight in the pictures and he mentions the bending the tang "it's tradition". Not a Japanese sword, but one of the greats and probably on par with ckd/knifenet here as one of the most useful sites when you start making knives and/or swords.

Some strange stuff can happen when you temper blades, like reverse curves and stuff and I don't claim to know everything about it, but I thought you'd like to see a little of what I've read/seen. Japanese and Japanese-style swords are definitely one of my passions and I like to see other people interested.


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  #82  
Old 01-26-2006, 11:28 PM
Ssj2 Ssj2 is offline
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Hey guys it's been awhile since I've been on here but I got alot more info for ya. Any one interested in an S30v sword here's the scoop, a few months back Dan made an S30v sword that performed pretty well aganst small thin trees plastic bottles and soda cans all which never apeared to dull it in the least more tests were done by Dan that I don't know all about but over all it apreaed to be a great sword, unfortunately however it met it's end when it acidenly glanced off some concreat. I was told that it might not have broke if it were heat treated better or in a different way but I was doing some more research into S30v and I found out it's not as tough as most orginally thought it to be I.E. around a2 level. In one way it is in it's transverse dirention but in the longitude dirention, the dirention most imporntant for a sword it's not much tougher then D2. Anyway with that in mind I'm haveing a different Sword made for me out of 3v and have very high hopes for it being far tougher even at a higher hardness with it's near stainless abiltys. I'll get back with you guys one more time on this once it's finished and I've tried it out. Should be done in anouther 2 to 3 weeks by that time look for a thred titled 3v Katana.

Last edited by Ssj2; 01-26-2006 at 11:51 PM.
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  #83  
Old 01-27-2006, 11:40 AM
Larrin Larrin is offline
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Quote:
Originally Posted by Ssj2
I was told that it might not have broke if it were heat treated better or in a different way but I was doing some more research into S30v and I found out it's not as tough as most orginally thought it to be I.E. around a2 level. In one way it is in it's transverse dirention but in the longitude dirention, the dirention most imporntant for a sword it's not much tougher then D2.
You're right about the toughness, it's much closer to D2 than it is to A2. AEB-L would be the closest stainless to the toughness of A2 at high hardness.
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  #84  
Old 02-04-2006, 01:18 AM
Ssj2 Ssj2 is offline
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Yea I guess you just have to wait a few years to sort thru what's hype and what's reality. S30v is a great steel, I have a folding knife made in it I got 6 or 7 months ago and it still has it's razer edge but for a sword it's just not there in the toughness department. I will say this tho for a stainless it is a new bench mark in toughness even tho it may just be a very small step up from others. Havn't heard much about aeb-l. Any one ever make swords from it?
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