what is the ore of iron called
Iron ore - WikipediaOres containing very high quantities of hematite or magnetite (greater than about 60% iron) are known as "natural ore" or "direct shipping ore", meaning they can be fed directly into iron-making blast furnaces. Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel—98% of the.what is the ore of iron called,Iron Ore - Mineral Fact Sheets - Australian Mines AtlasMost of the world's important iron ore resources occur in iron-rich sedimentary rocks known as banded iron formations (BIFs), which are almost exclusively of Precambrian age (i.e. greater than 541 million years old). BIFs occur on all continents. In many instances they are mined as iron ores but, most importantly, they are.Different Types of Iron Ore - 911 MetallurgistMar 17, 2017 . While it is possible by roasting the ore and by other means to remove the sulphur, the presence of any considerable amount is objectionable. Phosphorus in steel makes it brittle. For steel-making the limit for phosphorus is one hundredth of one per cent for ten per cent of iron in the ore; this is the so-called.