With the blowing in of gases at the blast furnace, beginning early this morning at the IISCO Steel Plant of Steel Authority of India Ltd, the process of integrated commissioning has begun
It was then, in 1735, that Abraham Darby showed how to make cast iron with coke in the high furnace, which by this time had become a veritable blast furnace.
- Cast iron naturally has a high carbon-content, usually between 3 and 4%, because while molten it absorbs carbon greedily from the coke with which it is in contact in the iron blast furnace in which it is made, and in the cupola furnace in which it is remelted for making most castings.
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