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Thread: CPM M4 steel?

  1. #1
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    CPM M4 steel?


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    What's this CPM M4 I am hearing about? How does it compare to other steels and what is its makeup?

  2. #2
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    There will be a ton of stuff if you search here

  3. #3
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    It's a highly wear resistant modern tool steel useful for all kinds of applications.

    If stainlessness is not a high priority and wear resistance is desired more than toughness it is perfect. Otherwise other steels exist that are at least equally good candidates if we ignore cost (h1 stainlessness, s3V toughness, etc).


    If all that sounds a bit vague to you that's because that's how reality works.

  4. #4
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    Quote Originally Posted by AfterTFD View Post
    It's a highly wear resistant modern tool steel useful for all kinds of applications.

    If stainlessness is not a high priority and wear resistance is desired more than toughness it is perfect. Otherwise other steels exist that are at least equally good candidates if we ignore cost (h1 stainlessness, s3V toughness, etc).


    If all that sounds a bit vague to you that's because that's how reality works.

    You may have it a bit confused, CPM-M4 is both very tough and very wear resistant. Its not stainless but it is more stain resistant than most carbon steels, I would give it similar stain resistance to D2. It is also fairly easy to sharpen though waterstones and arkansas stones would not be my first suggestion.
    The first sharpening
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    For sharpening inquiries email me at: traditionalsharpening@gmail.com
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  5. #5
    You can go here
    http://www.spyderco.com/edge-u-cation/index.php?item=3
    and it has the makeup of CPM M4.

  6. #6
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    This thread has a lot of good information

    http://www.bladeforums.com/forums/sh...d.php?t=667879

    It also has a TON of crap.


  7. #7
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    la mirada,ca
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  8. #8
    Quote Originally Posted by bgudowski View Post
    And this is the best knife steel database I've ever seen
    http://www.zknives.com/knives/steels/steelchart.php

    Thanks gator97

  9. #9
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    CPM M-4 is probably the best overall cutlery steel available in the world today.

    It wins virtually all of the cutting competitions.

    Today, at least, it's the Rolls Royce of Knife steel.

    My last 4 knives have been CPM M-4. After using them, I'd be reluctant to buy a knife made from any other steel, unless I was working in salt water, and then I'd buy CPM S90V.

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