Question

What percentage of carbon does cast iron contains?

• A. 5-8 % carbon
• B. 3-5.5 % carbon
• C. 5.5-8.2 % carbon
• D. 15-18 % carbon

Answer 1

The correct option is B 3-5.5 % carbon

Cast iron is an alloy consisting mainly of iron, parts of silicon($1-3$%) and carbon($3-5.5$%) and traces of other elements