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Iron. Atomic properties of iron. Chemical element with the symbol Fe Atomic number 26 Melting point 1538 °C Boiling point 2862 °C Ferromagnetic Vickers hardness 608 MPa Brinell hardness 490 MPa. History.

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  1. Iron

  2. Atomicproperties of iron • Chemicalelement with the symbolFe • Atomicnumber 26 • Meltingpoint 1538 °C • Boilingpoint 2862 °C • Ferromagnetic • Vickershardness 608 MPa • Brinellhardness 490 MPa

  3. History • Iron objects of great age are much rarer than objects made of gold or silver due to the ease of corrosion of iron • Made as early as 3500 BC • Cast iron was first produced in China during 5th century BC • Blacksmiths in Luristan in western Iran were making good steel by 1000 BC

  4. Applications • Iron is the most widely used of all the metals, accounting for 95% of worldwide metal production • Used only in alloys • low cost and high strength make it indispensable in engineering applications

  5. Steel • Iron is the main rawmaterial of steel • Usuallyover 90% of steel is iron • Containsmaximum of 2% of carbon • Mayinclude: manganese, nickel, chromium, molybdenum, boron, titanium, vanadium and niobium

  6. Summary • Iron is everywhere • Pure ironrustseasily • Veryimportantindustrialmetal

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