The Etymology of “Katana”, the Katana Forging Process, and Specialized Tamahagane Katana Steel

The term “katana” stems from the Japanese term “kata” meaning “side” and “na” meaning “blade” as katanas were meant to be secondary arms, much like a pistol is secondary to a US soldiers rifle. Katana steel is folded 8x - 16x to remove all impurities during the forging process. Katana blades are made of specialized steel referred to as “tamahagane” steel which means “jeweled” steel...

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