thank you very much for the comments , by heat treating I approach the 56 or 58 RC measured with the durometer .The blade length is 6 " ,thermal treatment do gas furnace and then finished in hot oil .
thank you very much for the comments , by heat treating I approach the 56 or 58 RC measured with the durometer .The blade length is 6 " ,thermal treatment do gas furnace and then finished in hot oil .
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