Katana-makers use two types of tamahagane: high-carbon, which is very hard and allows for a razor-sharp edge, and low-carbon, which is very tough and allows for shock absorption. A sword composed ...

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 ...