Why Spring Steel Katana Swords Deliver Performance and Quality Traditionally, Japanese swords like katana and wakizashi are made from a grade of steel known as tamahagane. This steel is widely regarded for its ability to withstand abuse, to take and maintain a fine edge, and to withstand the rigors of differential tempering.
However, in the modern era, swordsmiths have a much larger pool of resources to draw from, and this includes advanced metal alloys,...