Metal

• What are non-ferrous metals?

  Metals that do not contain iron
• Why are non-ferrous metals not magnetic?

  Because they do not contain iron
• What is a key characteristic of aluminium?

  It has a high strength to weight ratio
• Which of the following is a common use of aluminium?

  Pots and pans
• What is a key property of copper?

  Ductile and malleable
• What are common uses of copper?

  Plumbing supplies and cables
• What is a characteristic of tin?

  Soft and malleable
• How is tin commonly used?

  As a protective coating
• What is a key property of titanium?

  Good strength to weight ratio
• Which of the following is a use of titanium?

  Hip replacements
• What is a characteristic of gold?

  Malleable and ductile
• What are common uses of gold?

  Jewellery and electronic components
• What is a property of silver?

  Malleable and ductile
• How is silver commonly used?

  Jewellery and cutlery
• What are the performance characteristics of non-ferrous metals?

  • Can take on a variety of coatings and finishes
  • Generally good conductors (heat and electrical)
  • Non-renewable resource
  • Biodegradable
  • Range of metals suitable for various uses
  • Can be recycled
• What are the stock forms for metals?

  Sheets, plates, bars, tubes, and structural angular shapes
• What are alloys?

  Mixtures of two or more metals
• What is a key property of brass?

  Malleable and easy to cast
• Which of the following is a common use of brass?

  Musical instruments
• What is a characteristic of stainless steel?

  Doesn’t rust, hard and smooth
• What are common uses of stainless steel?

  Cutlery and medical tools
• What is a key property of high-speed steel?

  Hard, tough, highly resistant to frictional heat
• Which of the following is a use of high-speed steel?

  Tool blades
• What is a characteristic of bronze?

  Tough and corrosion resistant
• What are common uses of bronze?

  Statues, coins, and bearings
• What is a key property of pewter?

  Malleable, low melting point and casts well
• Which of the following is a common use of pewter?

  Jewellery
• What are ferrous metals?

  Metals that contain iron
• Why do ferrous metals rust?

  Because they contain iron
• What is a characteristic of low carbon steel?

  Tough and ductile
• Which of the following is a common use of low carbon steel?

  Construction
• What is a key property of high carbon steel?

  Hard and wears well
• What are common uses of high carbon steel?

  Tools, blades, and knives
• What is a characteristic of cast iron?

  Hard but brittle
• What are common uses of cast iron?

  Pots, pans, and vices
• What is a key property of medium carbon steel?

  Less ductile, malleable and tough
• Which of the following is a common use of medium carbon steel?

  Springs
• What is the primary processing of metals?

  • Processed from ores in the ground
  • Go through an extraction process
  • Ore is put in a blast furnace
  • Metal is separated from waste material
  • Aluminium is processed through electrolytic processing
• What are the methods for joining and shaping metals?

  • Welding
  • Casting
  • Machining
  • Forging
  • Bending