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   Sponge iron

   Sponge iron, also called direct reduced iron, is the product created when iron ore is reduced to metallic iron, usually with some kind of carbon (charcoal, etc), at temperatures below the melting point of iron. This results in a spongy mass, sometimes called a bloom, consisting of a mix of incandescent wrought iron and slag.
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   List of elements by melting point

   This is a list of the chemical elements, sorted by melting point measured at normal pressure. ... | 26 | Iron | Fe | 1,535 °C (1,808 K) |
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   Iron

   Iron (pronounced /ˈаɪ.ərn/) is a metallic chemical element with the symbol Fe (Latin: ferrum) and atomic number 26. ... It has a melting point in the range of 1420–1470 K, which is lower than either of its two main components, and makes it the first product to be melted when carbon and iron are heated together.
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   Wrought iron

   From this technology recently rediscovered by metallurgists at IIT Kanpur through the study of the Iron Pillar of Delhi, rust-proof iron is at the last stages of being commercialized. ... | Melting point [°F (°C)] | 2,800 (1,540) |
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   Red-short

   Iron or steel, when heated to above 900 °F (480 °C), glows with a red color. ... Manganese sulfide inclusions have a higher melting point and do not concentrate at the grain boundaries.
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   Iron(III) chloride

   Iron(III) chloride, also called ferric chloride, is an industrial scale commodity chemical compound, with the formula FeCl3. ... Iron(III) chloride has a relatively low melting point and boils at around 315 °C.
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   Cast iron

   Cast iron usually refers to grey iron, but also identifies a large group of ferrous alloys, which solidify with a eutectic. ... Since cast iron has nearly this composition, its melting temperature of 1,150 to 1,200 °C (2,102 to 2,192 °F) is about 300 °C (572 °F) lower than the melting point of pure iron.
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   Eutectic point

   The melting point of a mixture of two or more solids (such as an alloy) depends on the relative proportions of its ingredients. ... ↑ Iron-Iron Carbide Phase Diagram Example
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   Melting points of the elements (data page)

   Also, elements toward the middle of the table, which form strong metallic bonds and elements which form covalently bonded compounds, and not diatomic gases, such as carbon, which has the highest melting point in its diamond allotrope. ... | 26 Fe iron |
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    Iron Age

    Bronze was previously used to make tools because its melting point is lower than that of iron. ... In this system, high-purity wrought iron, charcoal, and glass were mixed in crucible and heated until the iron melted and absorbed the carbon.

Explore the following pages on Powerset:

• Sponge iron,
• List of elements by melting point,
• Iron,
• Wrought iron,
• Red-short,
• Iron(III) chloride,
• Cast iron,
• Eutectic point,
• Melting points of the elements (data page),
• Iron Age

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