In about six hours the melted metal was cast into an ingot (10 B). Two other similar pots were charged with 35 lbs. of the same cake steel, 7 lbs. of scrap iron, and 1 oz. of oxide of manganese.

Iron scrap recycling for the production of ammonia compressor gears involves several critical stages, starting with gathering ...

The scrap metal is melted, cast into molds, and cooled before being shaped into flywheels. Afterward, workers use lathe machines to grind, smooth, and balance each piece.