Shirogami: Shirogami or white paper steel is the closest steel to the traditional tamahagane steel. The steel is very pure, in which it has very little impurities such as phosphorus and sulfur in the steel's make up. The steel does rust easily, however the edge it holds is regarded as one of the best.
- White #2 - Mid range hardness, and is the most common type of white steel used. 60-61HRC.