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Tamahagane is made of an iron sand (satetsu) found in Shimane, Japan. There are two main types of iron sands: akame satetsu (赤目砂鉄) and masa satetsu (真砂砂鉄). Akame is lower quality, masa is better quality. The murage decides the amount of the mixing parts. Depending on the desired result, the murage mixes one or more types of sands.
Ironsand, also known as iron-sand or iron sand, is a type of sand with heavy concentrations of iron. It is typically dark grey or blackish in color. It is typically dark grey or blackish in color. It is composed mainly of magnetite , Fe 3 O 4 , and also contains small amounts of titanium, silica, manganese, calcium and vanadium.
The main source of ores for Japanese steel was iron sand, a sand-like substance which accumulated as an end product of the erosion of granite and andesite in mountainous regions of Japan. [13] Importantly, it was less labor-intensive to extract the ore from the sand than from hard rock.
The steel used in sword production is known as tamahagane (玉鋼:たまはがね), or "jewel steel" (tama – ball or jewel, hagane – steel). Tamahagane is produced from iron sand, a source of iron ore, and mainly used to make samurai swords, such as the katana, and some tools.
The tatara (鑪) is a traditional Japanese furnace used for smelting iron and steel. The word later also came to mean the entire building housing the furnace. The traditional steel in Japan comes from ironsand processed in a special way, called the tatara system. [1] Iron ore was used in the first steel manufacturing in Japan.
Once the iron has converted to steel, the clay vessel is broken and the steel bloom removed. Typically ten tons of iron sand yield 2.5 tones of tamahagane , or raw steel. This smelting process thus differs considerbly from that of the modern mass production of steel, and also differs from contemporary Chinese and Korean methods.
Katsunori Suzuki is one of a few craftsmen in Japan still producing cast iron cookware by hand using laborious traditional techniques. Suzuki uses moist sand and a few other ingredients to make ...
Tama-hagane; this steel derives from the smelting of a special iron-rich river sand and is normally reserved for use in sword-making, however some does find use in saws, chisels and planes. Togo-Reigo : this steel was produced by the Andrews Company of Sheffield England in the 1920s and some found its way to Japan where it has been used for ...