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curved it is
(lemmy.world)
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this post was submitted on 27 Sep 2024
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Lol, my dude. No one is claiming that modern japanese steel is of poor quality.
Im speaking of the time period contemporary with the accusation. You know, how arguments typically work......
Just pointing out this one because it's funny. Yes, a lot of the early firearms made in Japan were still made from iron sand (Satetsu). Which was the main source of iron in Japan until the 16th century.
There was nothing inherently low quality about using iron sand anyway. Impurities were carried away by slag and the iron in the sand was easily recovered using washing and later electromagnetism. Imports were used as demand increased.
You are conflating the elemental molecule of iron with the finished product of an alloy of carbonized iron aka as steel.
Yes, there isn't a molecular difference between the iron found in sand vs the iron found in rock ore. However, the medium in which you harvest your iron and how you're able to heat that iron, dictates the quality not your final product.