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  1. 11-16-2010, 12:10 AM #1
    matt321
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    Quote Originally Posted by markevens View Post
    Very interesting:


    Thiers-Issard's Lead Hardening Process is unique in all of Europe and quite possibly worldwide. Each forged razor blade is immersed in molten lead at a temperature of 800 degrees centigrade. This immersion effectuates an abrupt and uniform heating to the precise temperature necessary to produce maximum hardness. This process is followed with annealing at 300 degrees centigrade to impart sufficient flexibility and eliminate brittleness.

    I wondered if that was still true after seeing this Dovo video at 1:19?
    YouTube - Making DOVO Straight Razors
    Last edited by matt321; 11-16-2010 at 12:14 AM.
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  • 11-16-2010, 12:47 AM #2
    holli4pirating
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    Seems about right that they would be legit TI's at that price. On par with the AOS TI's last I checked.
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  • 11-21-2010, 11:31 PM #3
    niftyshaving
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    Quote Originally Posted by matt321 View Post
    I wondered if that was still true after seeing this Dovo video at 1:19?
    Good eyes...
    I cannot tell if they dip the razor in molten salt or molten lead
    in the video. However it may not mater.

    This may be interesting to read.

    http://www.uddeholm.com/files/heattreatment-english.pdf

    Both molten lead and molten salt can be used
    but the temp and timing will differ.

    In some ways this is like discussions on the making
    of french frys. In the end the professionals have an
    advantage with larger and more powerful fryers and
    better temp control. Then there are discussions about
    the best fat to fry in.....
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  • 12-14-2010, 11:00 PM #4
    Timedwards
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    Quote Originally Posted by matt321 View Post
    I wondered if that was still true after seeing this Dovo video at 1:19?
    YouTube - Making DOVO Straight Razors
    I think they key there is that it is only prohibited in France.
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