The specific number of folds in a traditional samurai sword, such as a katana, can vary depending on the swordsmith's technique and preference. While there is no fixed or standard number of folds for a samurai sword, it is generally accepted that traditional Japanese swordsmiths would fold the steel between 8 to 16 times.

Folding the steel involves repeatedly layering and forging the material, typically with the aim of refining the steel, removing impurities, and creating a laminated structure within the blade. Each fold increases the number of layers and contributes to the overall strength, flexibility, and aesthetic appearance of the sword.

It's important to note that the specific number of folds alone does not determine the quality or performance of a samurai sword. Other factors, such as the choice of steel, heat treatment, blade geometry, and the skill of the swordsmith, are equally important in determining the final quality and performance of the sword.

Modern manufacturing techniques have advanced to the point where high-quality samurai swords can be produced without extensive folding. Some modern swordsmiths may still incorporate folding techniques as a nod to tradition or for artistic purposes, even if the practical benefits are minimal.

Ultimately, the craftsmanship, attention to detail, and overall quality of the sword are more important than the precise number of folds in determining the final outcome of a samurai sword.