please give a definition for the three stages of the processof iron ore to steel:
smelting
purification
shaping
Removing impurities: First of all impurities such as nitrogen, silicon and excess of carbon etc. from the rock material are removed through the process of magnetic separation to obtain iron ore.
Smelting: After magnetic separation, smelting is carried out. It is the process in which metals are extracted from their ores by heating beyond the melting point. In case of iron, the raw material from iron ore is put in a blast furnace to produce pure form of iron as steel.
Purification and refining: Steel is produced by mixing 8 parts of coal + 4 parts iron ore + 1 part limestone. All these ingredients are first smelted in a blast furnace and then refined through different processes to obtain pure form of steel.
Smelting: After magnetic separation, smelting is carried out. It is the process in which metals are extracted from their ores by heating beyond the melting point. In case of iron, the raw material from iron ore is put in a blast furnace to produce pure form of iron as steel.
Purification and refining: Steel is produced by mixing 8 parts of coal + 4 parts iron ore + 1 part limestone. All these ingredients are first smelted in a blast furnace and then refined through different processes to obtain pure form of steel.