Yoshimitsu Wa Gyuto Damascus 240mm Blue I Steel Blade
About This Item
Yoshimitsu Wa Gyuto Damascus 240mm Blue I Steel Blade Blackish Finish Knife Octagonal shaped Ho Handle with Magnolia wood cover
Yoshimitsu was established as steel wheel blacksmith in Nagasaki since 1852 The way to acquire high quality steel or lower grade steel in Japan until 1868 before Japan opened the country to Euro countries and United State was to get from Tatara which is burn iron sand in charcoal three days and three nights. Japanese blacksmiths used to use forged iron or steel for the places where need to be hard to wear, so good wheels and hardware had been made by forged iron or steel.
There are two things what very famous about Yoshimitsu which works with five Brothers, and the oldest brother who is over 90 Years old president of Yoshimitsu.
The other thing is what Yoshimitsu is very famous that they make own Tamahagane from Iron sand and charcoal burning three days and nights. That is why they can use their knives to Tamahagane and Watetsu.
They make own Hagane and Jigane is used over 200 years old hardware, so they have lots of knowledge and experiences from their works from steel production to the end of process cutlery making.
They also make lots of variety of cutleries. They like to make cutlery for the regional people job demand, such as hatchet, Ax, sickle, and etc.
Blue II steel B is high carbon steel that has 1.0 to 1.1 carbon content, and Blue I steel B is added 0.1% more carbon(1.2-1.3%), and Chrome and Tungsten to Blue II steel B. Therefore, it is able to be harder steel blade (it means less wear, retaining sharp edge longer), but it is also less viscosity, so we have to use the blade carefully.
It is Sanmai-uchi (Blue I steel is sandwiched by Damascus soft iron).
Blade length (from the tip to the heel) is 9 1/2inch (240mm).
Knife total length is 15 3/4inch (400mm)
Knife weight is 6.3oz.
The heel part of the spine width is 3.5mm (1/8 inch) wide.
The blade width from the heel to the spine is 48mm (1 15/16 inch) wide.