Such as the United States during world war ii "KA - BAR" saber is in 1095 as the blade material. Clay tempered:The clay temper procedure is really complicated, although what we show you is only four steps. The blade will be set apart as 2, one is the back of the blade and the other is the cut edge side. The back side will be stick with the clay and the other side will be covered by the powder and other mixture which is protected as a secret recipe.Coz the different thickness of the back of the blade and the cut edge side, and the different of the clay mud and the mixture, when the blade cooling to be a same low temperature at the same time after the heating by high temperature, that is why the blade has a radian, and there is a clay temper wave line. The item "Special offer Japanese Katana Samurai Sword Clay Tempered T10 Steel Very Sharp" is in sale since Friday, August 9, 2019. This item is in the category "Collectibles\Knives, Swords & Blades\Swords & Sabers\Asian\Japanese". The seller is "culture-art-store777" and is located in Zhejiang,Wenzhou. This item can be shipped worldwide.