[DPMT 1984; CPMT 1989, 91, 94; KCET 2000]
A) Cast iron
B) Wrought iron
C) Steel
D) All have same percentage
Correct Answer: B
| Variety of irons | % of Carbon |
|---|---|
| Cast or Pig iron | 2.5 - 4% |
| Wrought iron | 0.12 - 0.25% |
| Steel | 0.2 - 0.5% |
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