Heat treat repeat?

Joined
Feb 9, 2019
Messages
6
New knife maker here. I heat treated a blade of 01 tool steel the made the mistake of doing a little "touch-up" on the belt sander and turned the tip of the blade blue. Do I have to start completely over with annealing and then heat treat or can I just heat treat again? What do I do now? Thanks, Jack
 
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