Apr 27, 2015 4 27 2015 15 Iron ore Common iron ores include Hematite Fe2O3 70 iron ( a common iron ore) Magnetite Fe3O4 72 iron Limonite Fe2O3 + H2O 50 to 66 iron Siderite FeCO3 48 percent iron To create a ton of pig iron, you start with 2 tons of ore, 1 ton of coke and half ton of limestone. The fire consumes 5 tons of air.Send Message Get Price
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