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1. Origins of industrial steel production
In the middle of the 19th century, in 1851, the world's iron production was 60,000 t · – 1 : this was so-called "pasty" iron, as the high temperatures needed to melt steel were not yet known.
The second half of the 19th century was to prove decisive for the steel industry, with four major inventions spread over several decades, of immense significance for the development of this industry and, by extension, the global economy (Box 1).
1856: Bessemer, in the UK, obtained liquid steel for the first time by blowing air through a cast-iron bath (figure 1...
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Origins of industrial steel production
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