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Thread: Carpenter CTS-XHP Steel

  1. #1
    Spyderco Forum Registered User catamount's Avatar
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    Carpenter CTS-XHP Steel

    This link was posted in another thread:

    http://www.cartech.com/ssalloysprod.aspx?id=3710

    What I find interesting is that corrosion resistance is said to be equivalent to 440C. My understanding is that 440C is VERY corrosion resistant. uses it for the Whale Rescue Blade.

    Add to this a stated maximum hardness of 64 RC, and it seems like CTS-XHP is a potential rival for H1.
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  2. #2
    Spyderco Forum Registered User nateaowen's Avatar
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    It does look good, more carbon than 440c plus the vanadium and it is a powdered metal so it will be very consistent.

    You can find it on the steel chart below under it's non-carpenter name of 440xh.

    http://www.zknives.com/knives/steels...rt.php?sort=nm
    Last edited by nateaowen; 01-12-2010 at 04:11 PM. Reason: forgot link

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    440C is very corrosion resistant, but it's no H1. 440C benefits chemically from lots of free chromium and physically in that it's quite easy to get a very nice surface finish. Less surface roughness makes it harder for corrosion to start.

    While it does seem like a very interesting steel, I was more intrigued by some of their other offerings such as CTS-20CP with lots of vanadium http://www.cartech.com/techcenter.aspx?id=1692 and by their CTS-204P with lots of chromium, plenty of vanadium and even a bit of tungsten.

    I'm sure the XHP will be a fine steel, but I'd like to see one of the two mentioned above in a future Mule Team.

    I get Carpenters steel updates at work and they seem very excited to get into the cutlery market. Given that Crucible is still a bit of an unknown regarding their future product line, I welcome them to the market.

    If you want to have real corrosion resistance in a knife steel, you have to get rid of the carbon or at least a lot of it. H1 does that and so does X-15TN.
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    Hi Catamount,

    CTS-XHP will be available in a Manix2 Sprint model soon.

    CTS-BD1 will be available as a Mule Team.

    CTS-20CP will be available as a Mule Team.

    While XHP is not as corrosion resistant as H1, it is considerably better than D-2, while still giving a good turn of performance.

    It is not a rival for H1. It is a rival for D-2. It is a stainless D-2.

    You will see more CTS steels in our future, along with Crucible, Hitachi, Takefu, Myodo and some others we are talking to.

    The CTS family of blade steels is listed in the new 2010 Spyderco steel chart.

    sal

  5. #5
    Spyderco Forum Registered User AKWolf's Avatar
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    Ooo La La , Takefu super gold no. 2...

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    Spyderco Forum Registered User LorenzoL's Avatar
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    Sal, what about Duratech 20CV, any plans for that steel on a Spyderco?

  7. #7
    Spyderco Forum Registered User catamount's Avatar
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    Thanks Sal

    How does 440C/CTS-XHP compare to VG-10 corrosion resistance wise?
    Last edited by catamount; 01-12-2010 at 07:08 PM.
    Tom
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    Quote Originally Posted by Sequimite View Post
    I use knives. I collect experiences.

    I'm an admirer of Spyderco's designs. Using them is like immersing yourself in music or studying a painting in a museum. I buy some "fine" art but my preference is for usable art.
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    Spyderco Forum Registered User ChapmanPreferred's Avatar
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    I love the Mule Team project!
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    Quote Originally Posted by ChapmanPreferred View Post
    I love the Mule Team project!
    Ditto! Awesome program from an awesome Company!

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    Spyderco Forum Registered User THG's Avatar
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    See, why can't other knife companies let us have all these exotic steels? That's what keeps me coming back here to
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    Spyderco Forum Registered User sarguy's Avatar
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    Quote Originally Posted by THG View Post
    See, why can't other knife companies let us have all these exotic steels? That's what keeps me coming back here to
    I think the answer might lie somewhere in Sal's philosophy behind quality improvement and the way his role models affected the way he does things. (going off of memory from the Spyderco book)

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  12. #12
    Spyderco Forum Registered User The Mastiff's Avatar
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    Sal, what about Duratech 20CV, any plans for that steel on a Spyderco?
    Lorenzol, there is a CTS steel with the same chemistry as 20CV. It's called CTS -204P, and it's also a powder steel too. I know Sal tested 20CV a long time ago. I'm not sure if there is a reason he has not used it yet.

    CTS-20CP is close to S90V, but not exact. It should also be a really good steel.

    Myodo is the foundry I'm the least familiar with, though they make H-1 so they must be good at what they do. All the others are top shelf foundries with all sorts of goodies available to test.
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    Quote Originally Posted by The Mastiff View Post
    I know Sal tested 20CV a long time ago. I'm not sure if there is a reason he has not used it yet.
    http://spyderco.com/forums/showthrea...highlight=20cv

    Marion

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    Sal, I'm glad to see the 20CP will be making a Mule Team appearance. I dream of it in one post and my wish is granted a few posts later!
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    Spyderco Forum Registered User v8r's Avatar
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    [QUOTE=sal;550254]







    It is a rival for D-2. It is a stainless D-2.

    Sounds good to me i really like D2.I didn't even mind that it wasn't stainless.
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  16. #16
    Spyderco Forum Registered User LorenzoL's Avatar
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    Quote Originally Posted by The Mastiff View Post
    Lorenzol, there is a CTS steel with the same chemistry as 20CV. It's called CTS -204P, and it's also a powder steel too. I know Sal tested 20CV a long time ago. I'm not sure if there is a reason he has not used it yet.

    CTS-20CP is close to S90V, but not exact. It should also be a really good steel.

    Myodo is the foundry I'm the least familiar with, though they make H-1 so they must be good at what they do. All the others are top shelf foundries with all sorts of goodies available to test.
    Quote Originally Posted by Marion David Poff View Post
    Thanks for the info, guys.

  17. #17
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    Hi Vassili,

    It has nice numbers. I'll have to see if there is a new name for it and if we've tested it.

    sal

  18. #18
    Spyderco Forum Registered User THG's Avatar
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    Quote Originally Posted by nozh2002 View Post
    What is your plan on making more CTS-XHP knives. I will love to have Military out of it! It is US made steel, so Military may be produced out of it.

    Thanks, Vassili.
    If XHP is as good as I'm hearing it is... That would be awesome
    Im not good at sharpening, even with a sharpmaker. How get your blade good can your blade with an edge pro system? - Bladeforums user

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  19. #19
    Spyderco Forum Registered User
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    So many steels, so few knives.....

    sal

  20. #20
    Spyderco Forum Registered User Lord vader's Avatar
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    This steel is also used in commercial food processing so that means that it has superior corrosion resistance and is rated 64 HRC thats close to D2 steel in hardness which means it would have fantastic edge holding abilities.I would love to some knives made with this.

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