What is the purpose of the white powder being sprinkled on the hot metal during forging?

Question

Answer

To reduce the carbon content in the steel that is raised by the carbon in the fuel.

Answer

To improve the surface strength of the metal.

Answer

To clean the metal by reacting with the impurities and falling off.

Answer

To increase the corrosion resistance of the final product.

Answer

To act as a  binding agent when we fold the steel over itself.

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