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Showing results for tags 'knife tempering'.
I have started making my first knife today and I am done forging. it is made from an unknown steel that was coated in copper. when It eas quenched it became so hard my file barely scratches it and 120 grit sandpaper won't scratch it. what temperature should I temper it(max 550 F) and will it be easier to file after I temper it?