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  1. #131
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    El Pescador's Avatar
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    Quote Originally Posted by El Pescador View Post
    SG2= Powdered VG10
    I was wrong SG2 and VG10 are very different composition-wise.
    "So you want to be a vegetarian? Hitler was a vegetarian and look at how he turned out."

  2. #132
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    Quote Originally Posted by ******* View Post
    No Niobium.
    That's why it's a cousin and not a copy.

    Hoss

  3. #133

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    Quote Originally Posted by DevinT View Post
    That's why it's a cousin and not a copy.

    Hoss


    -AJ

  4. #134
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    So Hoss, how do I get an R2, feather wa-gyuto? LOL

  5. #135
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    Quote Originally Posted by Mingooch View Post
    So Hoss, how do I get an R2, feather wa-gyuto? LOL
    It could be done. S35VN would be very close to or better in performance. S35VN has a little more vandium and a half of one percent niobium, which acts like more vanadium with a little added toughness. S35VN is available here in the US.

    Hoss

  6. #136

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    Hoss, what would the advantage be of using PM steel in making damascus? Wouldn't the forge welding process, etc. essentially "unmake" the PM steel?

  7. #137

    What Steels And Why

    Hi Larrin,


    Quote Originally Posted by Larrin View Post
    More micrographs! I hope everyone can't get enough of them. Here is showing how carbides effect the radius of an edge with cutting:

    Great and very informative thread and great photos.

    Any idea of the width of the edges shown, in microns?

    Cheers
    John

  8. #138
    DevinT's Avatar
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    Quote Originally Posted by ******* View Post
    Hoss, what would the advantage be of using PM steel in making damascus? Wouldn't the forge welding process, etc. essentially "unmake" the PM steel?
    In the manufacturing of powder steels they use the HIP process to solidify the billet. After it is a solid piece it is forged like a regular ingot. With careful forging there is no change to the steel for the worse and maybe a slight improvement due to some of the carbides dissolving. The same holds true for making damascus.

    Hoss

  9. #139

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    Interesting. so as long as it stays solid, it retains its PM characteristics? I was wondering because you seem to be experimenting with some interesting mixes of PM steels.
    Quote Originally Posted by DevinT View Post
    In the manufacturing of powder steels they use the HIP process to solidify the billet. After it is a solid piece it is forged like a regular ingot. With careful forging there is no change to the steel for the worse and maybe a slight improvement due to some of the carbides dissolving. The same holds true for making damascus.

    Hoss

  10. #140
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    Over heating is the enemy to all steels, PM, cast wrought, damascus etc.

    Hoss

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