Hi, nice video and great skills!... However, I am not sure what is the type of steel that you are using, ( iron rail??} but it seems like carbon steel?? Your heat treating, normalizing to non magnetic before cooling off seems ok... but you are not showing any tampering of your steel in the vid ?? is this purposefuly or are you indeed tampering the steel of the blade before all finishings.... in other words, what type of steel are you using in this video? carbon steel of sorts or some other unknown hybrids... "iron of a rail" should be basic carbon steel and indeed be tampered at least twice at 200 Deg C for one hour in order to control hardness. I would appreciate your reply! Thanks for a great video!