Question

State the use of cast iron, wrought iron, mild steel, hard steel.

Answer 1

●Cast iron is usually used for making items that are used for heating purposes like pots, pans and all sorts of utensils. It can also be used for baking purposes and even used to make stoves from a piece of mould

●Uses of Wrought Iron:

1. It is used for pipe making due to its superior corrosion and fatigue resistance and better welding and threading qualities.

2. It is used for making bars for stay bolts, engine bolts and rivets etc. because properties demanded in these applications are corrosion and fatigue resistance.

3. For making iron doors,railings and fences.

4. For making plates.

5. For making special chains and crane hooks due to its good weldability and high impact strength.

6. It is also used extensively for general forging applications.

●Mild steel which is suitable for many applications such as Car body panels, Nuts & Bolts, food cans, Metal chains , wire ropes, engine parts, bicycle rims, Nails & screws and various outdoor uses.
●Hard steel remains popular for a wide variety of uses. This type of steel is preferred in the manufacturing of tools such as drill bits, knives, masonry nails, saws, metal cutting tools and woodcutting tools.