FerriticMatrix

Waking up inside the ruins of an orphanage, Alexander finds himself chained and sold to slavery.
A modern metallurgist, trapped in ancient times, watch as he tries to play with the cards fate dealt him.
He will make plate armor, invent paper, build roads, teach governance and many more, as he tries to carve a place for himself.
But how can such things not attract jealous eyes?
The naval superpower- Cantagena,
The unstoppable army of- Exolas, 
The superpower of the east- Adhania,
The mercantile confederation- Sybarsis, 
The religious fanatics- Iyizarid, 
And the ever-present- Barbarians of the Barren Forrest,
All want something from each other.
In this ocean of sharks, follow a small carp as it struggles to leap through the dragon gate and establish a dynasty to outlast them all.

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Herald of Steel

The blast furnace was responsible for transforming iron ores into merchant iron, i.e- iron with 4% - 4.5% carbon, which was also called pig iron because the originally, the cooled large, central, and adjoining smaller ingots resembled a sow and suckling piglets


This pig iron had too much carbon content to be made into anything useful and so had to have its carbon content and other impurities reduced.


In the current timeline, this was done by repeatedly hammering the iron and thus literally beating the impurities out of it in the form of slag.


While in Alexander's previous time, the first industrial process of carbon removal was done by the puddling process, where workers called puddlers would use long oar-shaped tools to stir the molten iron like one would stir a pot of curry.


Bessemer Converter