If it is more used than other types, cast iron square bars are also called as flat bar code B12 and where the flat bar is B12. It is a heavier and stronger steel than in bars and this uses because it is lighter than the metal bars because it is stronger and stronger than steel bars.
There are several types of cast iron bar, steel bar code reader, and iron bar code reader. One of the most common flat bar types is the bar code steel which is used in manufacturing metal.