Archive for the ‘Japanese Sword Forging’ Category

Tamahagane, the original steel used by the Japanese swordsmiths

Friday, January 11th, 2008

Steel is iron that contains carbon, so the more carbon a steel has , the harder it is. Most of the Japanese sword smiths are working with the traditional steel that is better known as tamahagane. In Japan there’s only 1 official smelter left. This Japanese style smelter is called ...

Hardening process of a japanese sword - part 2

Thursday, October 18th, 2007

When the clay coating process is done, the blade is heated again until it reach it’s critical temperature, which depends on the kind of steel that is used but will have an average of 750 - 800°C. Once the blade reached the 750-800°C, the structure of steel changes to austenite. ...

Hardening process of a sword - part 1

Sunday, October 14th, 2007

Lately I was involved in a discussion about the hardening process of a Japanese sword and I did found it very inspiring to write a small piece about that just to give you a better understanding of that part of the forging process. The hardening process of the blade is ...