High Performance Tool Steel for Florida Manufacturer

3:45 – Experiment begins.

Urban legend says you can put sugar (which has lots of carbon in it) on a red hot knife or blade to draw the carbon into the metal (carburization). This could potentially turn a piece of soft mild steel into a harder piece of high carbon steel making it a better blade or increase the carbon in an already high carbon piece of steel. Here I test, first, whether sugar is a viable source of carbon for carburization and, second, whether carburization happens under the conditions of the myth.
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This is a unit I made myself, giving it a test on some 40 x 10 mm flat bar to make an 18 inch diameter ring.

A build thread is here:

https://www.homemadetools.net/forum/home-made-ring-roller-ongoing-38651