Question

State the use of:

(a) Cast Iron, (b) Wrought Iron,

(c) Mild steel, (d) Hard steel.

Answer 1

(a) Cast iron: It is used in drain pipes, gutter covers, weights and railings.
(b) Wrought iron: It is used in chains, horse shoes and electromagnets.
(c) Mild steel: It is to manufacture nuts, bolts etc.
(d) Hard steel: It is used to make tools.