You are probably right, it has been a while since I watched it. I do remember though that they talked about the temperature when smelting, and that the european smiths couldnt create the temperatures required for the purity displayed in the Ulfberht+ swords, whereas the eastern cultures (be it middle or far east) had developed a sophisticated oven that could.
Edit: OK, I rewatched the whole thing because I was curious. They speculate that the vikings might have imported crucible steel from Iran, but that it might not have originated there.
Edit: OK, I rewatched the whole thing because I was curious. They speculate that the vikings might have imported crucible steel from Iran, but that it might not have originated there.
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