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Nov 6, 2008
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Just made my first knife from a .25" leaf spring steel. Anyway I just finished heat treating and tempering the blade. My plan with this is to acid wash in either Ferric or Muriatic acid. There was very little scaling which I have removed already, now leaving the blade a black color. So my question is can I go straight to the acid wash or do I need to resand the blade to remove the black finish from heat treat?
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