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Manufacturing Technology: Theory and Problems, Second Edition by D. K. Singh

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CHAPTER 3

Ferrous Materials and Their Heat Treatment

  • Iron is the basic constituent of ferrous materials. It has the melting point of 1539°C and the specific gravity of 7.87.
  • Pure iron is rarely found in nature. In pure state it lacks strength but its strength can be increased by alloying. Pure iron finds application in making magnets.
  • Two important ores of iron are: haematite (Fe2O3) and magnetite (Fe3O4).
  • Cast iron, steel and stainless steel are important ferrous materials.
  • Iron contains various alloying elements, important among them includes carbon, manganese, chromium, nickel, molybdenum and vanadium.
  • Ferrous materials have the maximum application in manufacturing industries on account of their better mechanical properties.
  • Wrought iron ...

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