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Ferric chloride yields red color?

Discussion in 'Shop Talk - BladeSmith Questions and Answers' started by Paul Sherman, Jul 17, 2017.

  1. Paul Sherman

    Paul Sherman

    Jul 12, 2016
    Has anyone else seen this reddish result from a quick dip in ferric chloride? The steels are 1084 and 15n20, but I saw the same result from leaf spring a few weeks ago, dusty rose red instead of the grey colors.

    Any ideas what is going on here?



    Last edited: Jul 17, 2017
  2. NJBillK

    NJBillK Gold Member Gold Member

    Mar 27, 2014
    Photobucket doesn't work anymore. Well, it does if you pay $300+ per year... Much cheaper to pay for a membership here and use the stock photo.
    2017-07-09 13.21.52.png
    Otherwise, try using a different photo hosting site like imgur.

    Best of luck.
    Paul Sherman likes this.
  3. SBuzek

    SBuzek KnifeMaker Knifemaker / Craftsman / Service Provider

    Dec 7, 2006
    Your ferric is contaminated with copper
  4. WValtakis

    WValtakis Gold Member Gold Member

    May 29, 2004
    Yup, copper if it looks similar to this:


    I tried to use contaminated Ferric to etch the logo on this Busse

  5. JTknives

    JTknives ABS Apprentice Knifemaker / Craftsman / Service Provider

    Jun 11, 2006
    Yep copper contamination. Cool things can be done with copper contaminated ferric like the logo above but etching Damascus will leave the copper flashing on the steel.
  6. Paul Sherman

    Paul Sherman

    Jul 12, 2016
    Very good. Time for some new ferric!
  7. Stacy E. Apelt - Bladesmith

    Stacy E. Apelt - Bladesmith ilmarinen - MODERATOR Moderator Knifemaker / Craftsman / Service Provider

    Aug 20, 2004
    Or just rub the copper flashinhg off with steel wool.
    autogateman likes this.

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