After the Japanese-Sino War (1894) and the Japanese-Russo War (1904), the industrial revolution finished in Japan. At that time, Japan was short on Tamahagane but Japanese modern steelmaking was still developing.

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I previously explained that Tamahagane which is a Japanese traditional steel is the best steel.

But CHIYOZURU Korehide, who has been admired as the great master of the plane and a legendary blacksmith in the 19th century, left a will that said “Don’t use Tamahagane. Use imported steels” for his disciples.

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