If its 300 series stainless, then the steel is not going to harden. If its for decorative purposes fine, but it will never be useful as a using blade. Getting the scale off is going to be a matter of elbow grease. I do not know of any solution that will take the scale off 300 series stainless. Your best bet is a wire wheel, and a lot of elbow grease.
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Ed Caffrey, ABS Mastersmith
"The Montana Bladesmith" www.caffreyknives.net
Nobody cares what you know....until they know that you care.
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