The traditional katana sword is fashioned only from the purest ... he heats the hard, high-carbon steel and shapes it into a long, U-shaped channel. He then hammers the tough, low-carbon steel ...

Making a Katana from titanium or how I made a Katana sword from titanium, to be honest, I myself did not figure out the name. I'll leave this question to the viewer's judgment, to share your opinion ...