Question

Use the following flow chart to write a paragraph within 100 words on how steel is producted.

(Points : iron ore - mixed with coke and lime - taken to blast fumace - melted under high
temperature - pig iron - melting purification - add carbon - steel)​

Answer 1

The steel refining process is divided into two categories: primary refining, which is designed to remove carbon from pig iron, and other refining processes conducted after the primary refining, which are collectively called secondary refining. Secondary refining removes impurities and adjusts elements.