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<blockquote data-quote="swampratt" data-source="post: 2154562" data-attributes="member: 15054"><p>Really cool test! Did not see that comming.</p><p>I have never got to use that 0-1 steel</p><p>I have tempered and hardened many leaf spring knifes...</p><p>When mine go into the oven they are polished first...or at least clean and shiny...</p><p>450 temp. I watch as the steel changes colors..it will be dark grey first then enter into a light stray color then medium stray then dark straw....I remove heat and let cool at medium straw color as i have been taught that this is about 56-58 rockwell C on the hardness scale.</p><p></p><p>Before it ever makes it to the oven i heat the cutting portion of the blade to glowing orange and quench in cooking oil or trans fluid.</p><p>I then clean and take a file to the area and if the file bights into it i re do the process and get the area glowing brighter and test again..</p><p>Is this the method you use for the tool steel??</p></blockquote><p></p>
[QUOTE="swampratt, post: 2154562, member: 15054"] Really cool test! Did not see that comming. I have never got to use that 0-1 steel I have tempered and hardened many leaf spring knifes... When mine go into the oven they are polished first...or at least clean and shiny... 450 temp. I watch as the steel changes colors..it will be dark grey first then enter into a light stray color then medium stray then dark straw....I remove heat and let cool at medium straw color as i have been taught that this is about 56-58 rockwell C on the hardness scale. Before it ever makes it to the oven i heat the cutting portion of the blade to glowing orange and quench in cooking oil or trans fluid. I then clean and take a file to the area and if the file bights into it i re do the process and get the area glowing brighter and test again.. Is this the method you use for the tool steel?? [/QUOTE]
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