Metal

• What is a characteristic of carbon steel?

  It is harder than mild steel.
• Can carbon steel be hardened or tempered?

  Yes, carbon steel can be hardened or tempered.
• What is a disadvantage of carbon steel?

  It rusts and is not easy to work with.
• Give an example of a product made from carbon steel.

  Examples include saws, furs, and shoe bits.
• What is stainless steel made of?

  It is an alloy of steel with nickel or chromium.
• What is a key property of stainless steel?

  It is a hard metal that doesn't rust.
• Why is stainless steel more expensive?

  Because it contains nickel or chromium.
• Provide an example of where stainless steel is used.

  Examples include sinks, kettles, and medical equipment.
• What does non-ferrous mean?

  It means it doesn't contain iron, is not magnetic, and doesn't rust.
• Give an example of a non-ferrous metal.

  Copper is an example of a non-ferrous metal.
• What are some uses of copper?

  It is used in water pipes, wires, and cisterns.
• What are the properties of aluminum?

  Aluminum is light, soft, easily shaped, and has a silvery color.
• Provide an example of where aluminum is used.

  Examples include windows, frames, and aircraft.
• What is brass made of?

  Brass is an alloy of copper and zinc.
• What are the properties of brass?

  Brass is heavy, hard, and strong.
• Provide an example of where brass is used.

  Brass is used in bathrooms.
• What is an alloy?

  • A mixture of metals with other elements
  • Improves properties or working performance
• What are the two main types of joining methods for metal?

  Semi-permanent and permanent
• What is an example of a semi-permanent joining method?

  Screws
• What components are used in a screw joint?

  Machine screw, nuts, bolts, and washer
• What is required before using screws for joining metal?

  Holes need to be drilled
• What is the process to use a screw joint?

  Drill hole, put bolt through, add washer, and nut
• What is an example of a permanent joining method?

  Rivet
• What is the first step in the riveting process?

  Drill hole
• What is done after drilling a hole for a rivet?

  Add rivet through the hole
• What is the peining process in riveting?

  Flattening the rivet to join pieces
• How do you use a rivet gun?

  Squeeze handles to join two pieces
• What are the steps involved in using screws for metal joining?

  1. Drill hole
  2. Put bolt through
  3. Put washer on
  4. Add nut (tighten)
• What are the steps involved in the riveting process?

  1. Drill hole
  2. Add rivet through hole
  3. Peining process to flatten rivet
  4. Use rivet gun to squeeze handles