ferrous metals

• What are metals that contain iron and are magnetic called?

  Ferrous metals
• Why do ferrous metals require a protective finish?

  To prevent rust and corrosion
• What is a disadvantage of cast iron?

  Poor resistance to corrosion
• What are the properties and uses of cast iron?

  • Brittle if thin
  • Can be cast in a mould
  • Strong compressive strength
  • Good electrical and thermal conductivity
  • Poor resistance to corrosion
  • Uses: gates, manhole covers, drains, vices
• What is high carbon steel also known as?

  Tool steel
• What are the characteristics of high carbon steel?

  Hard, brittle, less malleable than mild steel
• What are the uses of high carbon steel?

  • Tools
  • Screwdrivers
  • Chisels
• What is low carbon steel also known as?

  Mild steel
• What are the properties of low carbon steel?

  Ductile, tough, easy to shape, braze, weld
• What are the uses of low carbon steel?

  • Nuts and bolts
  • Screws
  • Bicycle frames
  • Car parts
• Why does low carbon steel corrode easily?

  It lacks protective finishes
• How does the malleability of high carbon steel compare to mild steel?

  High carbon steel is less malleable