Compléter Metals XVVersion en ligne The steel making process par tekno TEKNESO 1 impurities blast molten comprises iron coal carbon gangue iron impurities melted crushed limestone escoria furnace pig arrabio remains degrees washed removed ore The steelmaking process all the works needed to obtain steel . . - First , the iron mineral is to remove . - Second , the mineral is and sieved in order to separate the from the ore . . - Thrid , the is mixed with and . - Fourth , this mixture is in a at 1500 celsius . - Fifth and finally , is obtained and the slag on the top is . So we can say that pig iron , which is called " " in spanish , is a mixture of , and . The slag , which is called " " in spanish , is the part which on the top of the pig iron .
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