Maximum carbon content in cast iron is ______________ percent?
Correct answer: D. 4.3
- A. 3.8
- B. 5.2
- C. 4.8
- D. 4.3
Explanation
Cast iron contains roughly 2.1–4.3% carbon, with 4.3% representing the eutectic composition and the usual upper value quoted for the classification. Hence 4.3% is the applicable maximum.
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