Physics · Material Science

Which of the following statements is true regarding steel and iron metallurgy?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1The percentage of carbon content in cast iron is always less than 0.1%.
2The percentage of carbon content in cast iron is less than the percentage of carbon content in mild steel.
3The symbol used for 'Killed steel' is 'K'.✓
4The percentage of carbon content in high carbon steel is always greater than 5%.

Correct answer

The symbol used for 'Killed steel' is 'K'.

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