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24th August 2011, 07:42 AM
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#8 |
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Member
Join Date: Aug 2010
Posts: 54
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Average tempering temperaturs of carbon steel blades is approx 200 ° C for a cutting tool; when tempering machetes and swords one wants more flexibility and uses higher temperatures. Blank metal at 200 ° will get a distinctive pale straw colour (surface oxidation). So beware!
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