Flame Carburization: Difference between revisions
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Latest revision as of 13:35, 14 April 2014
Flame carburization (such as oxyacetylene flame hardening) gets Rockwell C hardness up almost a factor of 2 from ~35 for mild steel to 51-56 according to this industrial process thesis from India -
http://ethesis.nitrkl.ac.in/1397/1/final_thesis_jaykant_gupta_(combined_123).pdf
55-60 is the hardness of 'very hard steels' such as tool steel